*,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    :root {
        --bg: #0a0c10;
        --surface: #111318;
        --surface2: #181c24;
        --border: #1f2430;
        --border2: #2a3040;
        --accent: #4af0c4;
        --accent2: #3dd6ac;
        --accent-dim: #1a4a3d;
        --blue: #4a90e8;
        --blue-dim: #1a2a4a;
        --warn: #f0a04a;
        --warn-dim: #3a2a10;
        --text: #e8eaf0;
        --text2: #8890a0;
        --text3: #505868;
        --glow: rgba(74, 240, 196, 0.12);
        --glow2: rgba(74, 240, 196, 0.04);
    }

    html,
    body {
        height: 100%;
    }

    body {
        font-family: 'Syne', sans-serif;
        background: var(--bg);
        color: var(--text);
        display: flex;
        flex-direction: column;
        overflow: hidden;
    }

    /* ── Noise overlay ── */
    body::before {
        content: '';
        position: fixed;
        inset: 0;
        z-index: 0;
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
        opacity: .025;
        pointer-events: none;
    }

    /* ── HEADER ── */
    header {
        position: relative;
        z-index: 10;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 14px 28px;
        border-bottom: 1px solid var(--border);
        background: rgba(10, 12, 16, .85);
        backdrop-filter: blur(16px);
        flex-shrink: 0;
    }

    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .logo-icon {
        width: 32px;
        height: 32px;
        border-radius: 8px;
        background: linear-gradient(135deg, var(--accent), #2a9fdf);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        font-weight: 800;
        color: var(--bg);
        box-shadow: 0 0 16px var(--glow);
        flex-shrink: 0;
    }

    .logo-text {
        font-size: 18px;
        font-weight: 800;
        letter-spacing: .06em;
    }

    .logo-tag {
        font-size: 9px;
        font-weight: 500;
        letter-spacing: .18em;
        color: var(--accent);
        background: var(--accent-dim);
        border: 1px solid var(--accent);
        padding: 2px 7px;
        border-radius: 20px;
        text-transform: uppercase;
        opacity: .85;
    }

    .header-right {
        display: flex;
        align-items: center;
        gap: 16px;
    }

    .header-ghost-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        background: rgba(255, 255, 255, .03);
        border: 1px solid var(--border2);
        border-radius: 8px;
        padding: 9px 16px;
        font-family: inherit;
        font-size: 12px;
        font-weight: 700;
        color: var(--text2);
        cursor: pointer;
        letter-spacing: .08em;
        text-transform: uppercase;
        transition: all .15s;
    }

    .header-ghost-btn:hover {
        border-color: var(--accent);
        color: var(--accent);
        background: var(--glow2);
    }

    .compose-btn {
        display: flex;
        align-items: center;
        gap: 8px;
        background: var(--accent);
        color: var(--bg);
        border: none;
        border-radius: 8px;
        padding: 9px 18px;
        font-family: inherit;
        font-size: 13px;
        font-weight: 700;
        cursor: pointer;
        letter-spacing: .04em;
        box-shadow: 0 0 20px rgba(74, 240, 196, .35);
        transition: all .2s ease;
    }

    .compose-btn:hover {
        background: #5fffd4;
        box-shadow: 0 0 32px rgba(74, 240, 196, .55);
        transform: translateY(-1px);
    }

    .compose-btn svg {
        flex-shrink: 0;
    }

    .avatar {
        width: 34px;
        height: 34px;
        border-radius: 50%;
        background: linear-gradient(135deg, #4a60e8, var(--accent));
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 13px;
        font-weight: 700;
        color: #fff;
        border: 2px solid var(--border2);
        cursor: pointer;
    }

    /* ── LAYOUT ── */
    .app {
        position: relative;
        z-index: 1;
        display: flex;
        flex: 1;
        overflow: hidden;
    }

    /* ── SIDEBAR ── */
    aside {
        width: 220px;
        flex-shrink: 0;
        border-right: 1px solid var(--border);
        background: var(--surface);
        display: flex;
        flex-direction: column;
        padding: 20px 0;
        overflow-y: auto;
    }

    .nav-section-label {
        font-size: 9px;
        font-weight: 700;
        letter-spacing: .2em;
        color: var(--text3);
        text-transform: uppercase;
        padding: 0 18px 8px;
    }

    .nav-item {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 9px 18px;
        cursor: pointer;
        border-left: 2px solid transparent;
        transition: all .15s ease;
    }

    .nav-item:hover {
        background: var(--surface2);
    }

    .nav-item.active {
        border-left-color: var(--accent);
        background: var(--glow2);
        color: var(--accent);
    }

    .nav-item-left {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 13px;
        font-weight: 500;
    }

    .nav-badge {
        font-size: 10px;
        font-weight: 700;
        font-family: 'DM Mono', monospace;
        background: var(--accent-dim);
        color: var(--accent);
        border-radius: 20px;
        padding: 1px 7px;
    }

    .nav-badge.blue {
        background: var(--blue-dim);
        color: var(--blue);
    }

    .sidebar-divider {
        height: 1px;
        background: var(--border);
        margin: 14px 0;
    }

    .ai-status {
        margin: 16px 12px 0;
        background: var(--surface2);
        border: 1px solid var(--border2);
        border-radius: 10px;
        padding: 12px;
    }

    .ai-status-header {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 8px;
    }

    .pulse-dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--accent);
        box-shadow: 0 0 8px var(--accent);
        animation: pulse 2s ease-in-out infinite;
    }

    @keyframes pulse {

        0%,
        100% {
            opacity: 1;
            transform: scale(1);
        }

        50% {
            opacity: .5;
            transform: scale(.8);
        }
    }

    .ai-status-title {
        font-size: 11px;
        font-weight: 700;
        color: var(--accent);
        letter-spacing: .06em;
    }

    .ai-status-body {
        font-size: 10px;
        color: var(--text3);
        line-height: 1.5;
        font-family: 'DM Mono', monospace;
    }

    .ai-health-list {
        display: grid;
        gap: 6px;
        margin-top: 10px;
    }

    .ai-health-item {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        padding: 7px 8px;
        border-radius: 8px;
        background: rgba(255, 255, 255, 0.03);
    }

    .ai-health-name {
        font-size: 10px;
        color: var(--text2);
        font-weight: 700;
        letter-spacing: .04em;
    }

    .ai-health-badge {
        font-size: 10px;
        font-family: 'DM Mono', monospace;
        color: var(--text3);
    }

    .ai-health-badge.active {
        color: var(--accent);
    }

    .ai-health-badge.degraded {
        color: #ffcf66;
    }

    .ai-health-badge.offline {
        color: #ff9eb0;
    }

    .ai-stat {
        display: flex;
        justify-content: space-between;
        margin-top: 6px;
    }

    .ai-stat-label {
        font-size: 10px;
        color: var(--text3);
    }

    .ai-stat-val {
        font-size: 10px;
        font-weight: 700;
        color: var(--text2);
        font-family: 'DM Mono', monospace;
    }

    /* ── MAIL LIST ── */
    .mail-list {
        width: 320px;
        flex-shrink: 0;
        border-right: 1px solid var(--border);
        display: flex;
        flex-direction: column;
        overflow: hidden;
    }

    .mail-list-header {
        padding: 16px 18px 12px;
        border-bottom: 1px solid var(--border);
        background: var(--surface);
    }

    .mail-list-title {
        font-size: 17px;
        font-weight: 800;
        letter-spacing: .03em;
        margin-bottom: 10px;
    }

    .search-wrap {
        position: relative;
    }

    .search-wrap svg {
        position: absolute;
        left: 10px;
        top: 50%;
        transform: translateY(-50%);
        opacity: .4;
    }

    .search-input {
        width: 100%;
        background: var(--surface2);
        border: 1px solid var(--border2);
        border-radius: 8px;
        padding: 8px 10px 8px 34px;
        font-family: 'DM Mono', monospace;
        font-size: 12px;
        color: var(--text);
        outline: none;
        transition: border-color .2s;
    }

    .search-input::placeholder {
        color: var(--text3);
    }

    .search-input:focus {
        border-color: var(--accent);
    }

    .mail-tabs {
        display: flex;
        border-bottom: 1px solid var(--border);
        background: var(--surface);
    }

    .mail-tab {
        flex: 1;
        text-align: center;
        padding: 10px 6px;
        font-size: 11px;
        font-weight: 600;
        letter-spacing: .06em;
        text-transform: uppercase;
        color: var(--text3);
        cursor: pointer;
        border-bottom: 2px solid transparent;
        transition: all .15s;
    }

    .mail-tab.active {
        color: var(--accent);
        border-bottom-color: var(--accent);
    }

    .mail-items {
        overflow-y: auto;
        flex: 1;
    }

    .mail-pagination {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        padding: 12px 16px;
        border-top: 1px solid var(--border);
        background: var(--surface);
    }

    .page-btn {
        width: 34px;
        height: 34px;
        border-radius: 8px;
        border: 1px solid var(--border2);
        background: var(--surface2);
        color: var(--text2);
        font-size: 18px;
        line-height: 1;
        cursor: pointer;
        transition: all .15s;
    }

    .page-btn:hover:not(:disabled) {
        border-color: var(--accent);
        color: var(--accent);
    }

    .page-btn:disabled {
        opacity: .35;
        cursor: not-allowed;
    }

    .page-info {
        font-size: 11px;
        letter-spacing: .08em;
        text-transform: uppercase;
        color: var(--text3);
        font-family: 'DM Mono', monospace;
    }

    .mail-item {
        padding: 14px 18px;
        border-bottom: 1px solid var(--border);
        cursor: pointer;
        position: relative;
        transition: background .15s;
        animation: fadeSlide .3s ease forwards;
        opacity: 0;
    }

    @keyframes fadeSlide {
        from {
            opacity: 0;
            transform: translateX(-8px);
        }

        to {
            opacity: 1;
            transform: translateX(0);
        }
    }

    .mail-item:hover {
        background: var(--surface2);
    }

    .mail-item.active {
        background: var(--glow2);
        border-left: 2px solid var(--accent);
    }

    .mail-item.unread .mail-item-sender {
        color: var(--text);
        font-weight: 700;
    }

    .mail-item-top {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        margin-bottom: 4px;
    }

    .mail-item-sender {
        font-size: 13px;
        color: var(--text2);
        font-weight: 500;
    }

    .mail-item-time {
        font-size: 10px;
        color: var(--text3);
        font-family: 'DM Mono', monospace;
        flex-shrink: 0;
        margin-left: 8px;
    }

    .mail-item-subject {
        font-size: 12px;
        font-weight: 700;
        margin-bottom: 4px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .mail-item-preview {
        font-size: 11px;
        color: var(--text3);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        line-height: 1.5;
    }

    .mail-item-tags {
        display: flex;
        gap: 5px;
        margin-top: 7px;
        flex-wrap: wrap;
    }

    .tag {
        font-size: 9px;
        font-weight: 700;
        letter-spacing: .1em;
        text-transform: uppercase;
        padding: 2px 7px;
        border-radius: 20px;
    }

    .tag-ai {
        background: var(--accent-dim);
        color: var(--accent);
        border: 1px solid rgba(74, 240, 196, .25);
    }

    .tag-urgent {
        background: var(--warn-dim);
        color: var(--warn);
        border: 1px solid rgba(240, 160, 74, .25);
    }

    .tag-blue {
        background: var(--blue-dim);
        color: var(--blue);
        border: 1px solid rgba(74, 144, 232, .25);
    }

    .tag-new {
        background: rgba(74, 240, 196, .08);
        color: var(--accent);
        border: 1px solid rgba(74, 240, 196, .2);
    }

    .unread-dot {
        position: absolute;
        left: 6px;
        top: 50%;
        transform: translateY(-50%);
        width: 5px;
        height: 5px;
        border-radius: 50%;
        background: var(--accent);
        box-shadow: 0 0 6px var(--accent);
    }

    /* ── MAIL DETAIL ── */
    .mail-detail {
        flex: 1;
        display: flex;
        flex-direction: column;
        overflow: hidden;
    }

    .detail-header {
        padding: 20px 28px 16px;
        border-bottom: 1px solid var(--border);
        background: var(--surface);
        flex-shrink: 0;
    }

    .detail-header-loading {
        min-height: 98px;
    }

    .detail-subject {
        font-size: 20px;
        font-weight: 800;
        letter-spacing: .02em;
        margin-bottom: 10px;
        line-height: 1.3;
    }

    .detail-meta {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
    }

    .detail-from {
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .detail-sender-loading {
        min-width: 220px;
    }

    .detail-avatar {
        width: 38px;
        height: 38px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        font-weight: 700;
        flex-shrink: 0;
    }

    .detail-sender-name {
        font-size: 14px;
        font-weight: 600;
    }

    .detail-sender-email {
        font-size: 11px;
        color: var(--text3);
        font-family: 'DM Mono', monospace;
    }

    .detail-actions {
        display: flex;
        gap: 8px;
    }

    .action-btn {
        display: flex;
        align-items: center;
        gap: 6px;
        background: var(--surface2);
        border: 1px solid var(--border2);
        border-radius: 7px;
        padding: 7px 13px;
        font-family: inherit;
        font-size: 12px;
        font-weight: 600;
        color: var(--text2);
        cursor: pointer;
        transition: all .15s;
    }

    .action-btn:hover {
        border-color: var(--accent);
        color: var(--accent);
        background: var(--glow2);
    }

    .action-btn.primary {
        background: var(--accent-dim);
        border-color: var(--accent);
        color: var(--accent);
    }

    .action-btn.primary:hover {
        background: var(--accent);
        color: var(--bg);
    }

    .action-btn.danger {
        border-color: rgba(240, 160, 74, .35);
        color: var(--warn);
        background: var(--warn-dim);
    }

    .action-btn.danger:hover {
        border-color: var(--warn);
        color: var(--warn);
        background: rgba(240, 160, 74, .14);
    }

    .detail-body {
        flex: 1;
        overflow-y: auto;
        padding: 0 28px;
    }

    .detail-skeleton {
        position: relative;
        overflow: hidden;
        background: rgba(255, 255, 255, .05);
        border: 1px solid rgba(255, 255, 255, .04);
    }

    .detail-skeleton::after {
        content: "";
        position: absolute;
        inset: 0;
        transform: translateX(-100%);
        background: linear-gradient(90deg, transparent, rgba(105, 178, 255, .16), transparent);
        animation: detailSkeletonShimmer 1.35s ease-in-out infinite;
    }

    @keyframes detailSkeletonShimmer {
        100% {
            transform: translateX(100%);
        }
    }

    .detail-skeleton-subject {
        width: min(62%, 420px);
        height: 28px;
        border-radius: 10px;
        margin-bottom: 16px;
    }

    .detail-skeleton-avatar {
        width: 38px;
        height: 38px;
        border-radius: 50%;
        border: 0;
    }

    .detail-skeleton-line {
        height: 12px;
        border-radius: 999px;
        border: 0;
    }

    .detail-skeleton-line-name {
        width: 148px;
        margin-bottom: 8px;
    }

    .detail-skeleton-line-meta {
        width: 228px;
        opacity: .8;
    }

    .detail-skeleton-line-wide {
        width: 100%;
        margin-bottom: 12px;
    }

    .detail-skeleton-line-medium {
        width: 72%;
        margin-bottom: 20px;
    }

    .detail-skeleton-block {
        height: 320px;
        border-radius: 18px;
        border: 0;
    }

    .mail-body-text {
        padding: 24px 0 20px;
        font-size: 14px;
        line-height: 1.8;
        color: var(--text2);
        border-bottom: 1px solid var(--border);
    }

    .mail-body-text p {
        margin-bottom: 14px;
    }

    .mail-body-frame {
        display: block;
        width: 100%;
        min-height: 780px;
        border: 1px solid var(--border);
        border-radius: 12px;
        background: #fff;
    }

    .mail-body-frame-wrap {
        position: relative;
        min-height: 780px;
    }

    .mail-body-frame.is-loading {
        visibility: hidden;
    }

    .mail-body-loading {
        padding: 24px 0 20px;
    }

    .mail-body-loading-inline {
        position: absolute;
        inset: 0;
        padding: 18px;
        border: 1px solid var(--border);
        border-radius: 12px;
        background:
            linear-gradient(180deg, rgba(74, 144, 232, .07), rgba(255, 255, 255, .02)),
            var(--surface);
        z-index: 1;
    }

    .mail-body-loading-inline.is-hidden {
        display: none;
    }

    .mail-body-loading-bar {
        width: 100%;
        height: 4px;
        margin-bottom: 20px;
        border-radius: 999px;
        background: rgba(255, 255, 255, .08);
        overflow: hidden;
    }

    .mail-body-loading-bar::after {
        content: "";
        display: block;
        width: 32%;
        height: 100%;
        border-radius: inherit;
        background: linear-gradient(90deg, var(--blue), #88d3ff);
        animation: detailLoadingBar 1.2s ease-in-out infinite;
    }

    @keyframes detailLoadingBar {
        0% {
            transform: translateX(-100%);
        }

        100% {
            transform: translateX(320%);
        }
    }

    .template-picker-row {
        display: flex;
        gap: 10px;
        align-items: center;
    }

    .template-apply-btn {
        flex-shrink: 0;
        white-space: nowrap;
    }

    .mail-attachments-panel {
        margin: 20px 0 0;
        background: var(--surface);
        border: 1px solid var(--border2);
        border-radius: 12px;
        overflow: hidden;
    }

    .mail-attachments-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding: 14px 18px;
        border-bottom: 1px solid var(--border);
        background: linear-gradient(90deg, rgba(74, 144, 232, .08), transparent);
    }

    .mail-attachments-title {
        font-size: 13px;
        font-weight: 700;
        color: var(--text);
    }

    .mail-attachments-sub {
        font-size: 11px;
        color: var(--text3);
        font-family: 'DM Mono', monospace;
    }

    .mail-attachments-list {
        display: grid;
        gap: 10px;
        padding: 16px 18px 18px;
    }

    .mail-attachment-item {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding: 12px 14px;
        background: var(--surface2);
        border: 1px solid var(--border2);
        border-radius: 10px;
        width: 100%;
        text-align: left;
        cursor: pointer;
        transition: all .15s;
    }

    .mail-attachment-item:hover {
        border-color: var(--blue);
        background: rgba(74, 144, 232, .08);
    }

    .mail-attachment-meta {
        min-width: 0;
    }

    .mail-attachment-action {
        display: flex;
        align-items: center;
        gap: 8px;
        color: var(--blue);
        font-size: 11px;
        font-family: 'DM Mono', monospace;
        flex-shrink: 0;
        opacity: .9;
    }

    .mail-attachment-name {
        font-size: 12px;
        font-weight: 600;
        color: var(--text);
        word-break: break-word;
    }

    .mail-attachment-info {
        margin-top: 4px;
        font-size: 11px;
        color: var(--text3);
        font-family: 'DM Mono', monospace;
        line-height: 1.5;
    }

    /* ── AI DRAFT PANEL ── */
    .ai-draft-panel {
        margin: 20px 0 24px;
        background: var(--surface);
        border: 1px solid var(--border2);
        border-radius: 12px;
        overflow: hidden;
    }

    .ai-draft-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 14px 18px;
        background: linear-gradient(90deg, rgba(74, 240, 196, .06), transparent);
        border-bottom: 1px solid var(--border);
    }

    .ai-draft-header-left {
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .ai-chip {
        display: flex;
        align-items: center;
        gap: 6px;
        background: var(--accent-dim);
        border: 1px solid rgba(74, 240, 196, .35);
        border-radius: 20px;
        padding: 3px 10px;
        font-size: 10px;
        font-weight: 700;
        color: var(--accent);
        letter-spacing: .1em;
        text-transform: uppercase;
    }

    .ai-draft-title {
        font-size: 14px;
        font-weight: 700;
    }

    .ai-draft-sub {
        font-size: 11px;
        color: var(--text3);
        font-family: 'DM Mono', monospace;
    }

    .ai-draft-actions {
        display: flex;
        gap: 7px;
    }

    .ai-draft-body {
        padding: 18px;
    }

    .ai-draft-text {
        font-size: 13px;
        line-height: 1.8;
        color: var(--text2);
        border-left: 2px solid var(--accent);
        padding-left: 14px;
        margin-bottom: 0;
    }

    .ai-draft-text p {
        margin-bottom: 12px;
    }

    .ai-draft-text p:last-child {
        margin-bottom: 0;
    }

    .ai-confidence {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-top: 14px;
        padding-top: 14px;
        border-top: 1px solid var(--border);
    }

    .conf-label {
        font-size: 10px;
        color: var(--text3);
        font-family: 'DM Mono', monospace;
    }

    .conf-bar {
        flex: 1;
        height: 3px;
        background: var(--border2);
        border-radius: 2px;
        overflow: hidden;
    }

    .conf-fill {
        height: 100%;
        background: linear-gradient(90deg, var(--accent), #4a90e8);
        border-radius: 2px;
        transition: width .6s ease;
    }

    .conf-val {
        font-size: 10px;
        font-weight: 700;
        color: var(--accent);
        font-family: 'DM Mono', monospace;
    }

    /* ── MODAL ── */
    .modal-overlay {
        position: fixed;
        inset: 0;
        z-index: 100;
        background: rgba(0, 0, 0, .7);
        backdrop-filter: blur(6px);
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        pointer-events: none;
        transition: opacity .2s;
        padding: 24px 0;
        overflow-y: auto;
    }

    .modal-overlay.open {
        opacity: 1;
        pointer-events: all;
    }

    .modal {
        background: var(--surface);
        border: 1px solid var(--border2);
        border-radius: 16px;
        width: 640px;
        max-width: 95vw;
        max-height: calc(100vh - 48px);
        box-shadow: 0 24px 80px rgba(0, 0, 0, .6), 0 0 60px rgba(74, 240, 196, .06);
        transform: translateY(16px);
        transition: transform .25s ease;
        overflow: hidden;
        display: flex;
        flex-direction: column;
    }

    .modal-overlay.open .modal {
        transform: translateY(0);
    }

    .settings-overlay {
        position: fixed;
        inset: 0;
        z-index: 110;
        display: flex;
        align-items: flex-start;
        justify-content: center;
        background: rgba(4, 8, 12, .82);
        backdrop-filter: blur(10px);
        opacity: 0;
        pointer-events: none;
        transition: opacity .2s ease;
        padding: 28px;
        overflow-y: auto;
    }

    .settings-overlay.open {
        opacity: 1;
        pointer-events: auto;
    }

    .settings-modal {
        width: min(1180px, 100%);
        max-height: calc(100vh - 56px);
        margin: 8px auto auto;
        display: flex;
        flex-direction: column;
        background:
            radial-gradient(circle at top left, rgba(74, 240, 196, .08), transparent 28%),
            radial-gradient(circle at top right, rgba(74, 144, 232, .08), transparent 30%),
            var(--surface);
        border: 1px solid var(--border2);
        border-radius: 20px;
        box-shadow: 0 24px 80px rgba(0, 0, 0, .5);
        overflow: hidden;
        transform: translateY(14px);
        transition: transform .25s ease;
    }

    .settings-overlay.open .settings-modal {
        transform: translateY(0);
    }

    .settings-modal-header,
    .settings-modal-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 22px 24px;
        border-bottom: 1px solid var(--border);
        background: rgba(17, 19, 24, .92);
    }

    .settings-modal-footer {
        border-bottom: 0;
        border-top: 1px solid var(--border);
    }

    .settings-modal-title {
        font-size: 20px;
        font-weight: 800;
        letter-spacing: .03em;
    }

    .settings-modal-subtitle,
    .settings-status {
        font-size: 12px;
        line-height: 1.6;
        color: var(--text3);
        font-family: 'DM Mono', monospace;
    }

    .settings-close {
        width: 36px;
        height: 36px;
        border-radius: 10px;
        border: 1px solid var(--border2);
        background: var(--surface2);
        color: var(--text3);
        font-size: 20px;
        cursor: pointer;
        transition: all .15s;
    }

    .settings-close:hover {
        color: var(--accent);
        border-color: var(--accent);
    }

    .settings-modal-body {
        flex: 1 1 auto;
        min-height: 0;
        padding: 24px;
        overflow-y: auto;
    }

    .settings-layout {
        display: grid;
        grid-template-columns: 280px minmax(0, 1fr);
        gap: 18px;
    }

    .settings-content {
        display: grid;
        gap: 18px;
        min-width: 0;
    }

    .settings-account-sidebar {
        background: rgba(24, 28, 36, .9);
        border: 1px solid var(--border);
        border-radius: 16px;
        padding: 18px;
        display: flex;
        flex-direction: column;
        gap: 14px;
        height: fit-content;
        position: sticky;
        top: 0;
    }

    .settings-account-sidebar-top {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        gap: 12px;
    }

    .settings-account-title {
        font-size: 16px;
        font-weight: 800;
    }

    .settings-account-subtitle {
        margin-top: 6px;
        font-size: 11px;
        line-height: 1.6;
        color: var(--text3);
        font-family: 'DM Mono', monospace;
    }

    .settings-account-list {
        display: grid;
        gap: 10px;
    }

    .settings-empty-state {
        border: 1px dashed var(--border2);
        background: rgba(18, 23, 32, .72);
        border-radius: 14px;
        padding: 14px;
    }

    .settings-empty-state-title {
        font-size: 12px;
        font-weight: 800;
        color: var(--text);
    }

    .settings-empty-state-text {
        margin-top: 6px;
        font-size: 11px;
        line-height: 1.7;
        color: var(--text3);
        font-family: 'DM Mono', monospace;
    }

    .settings-account-card {
        width: 100%;
        border: 1px solid var(--border);
        background: #121720;
        border-radius: 14px;
        padding: 14px;
        text-align: left;
        cursor: pointer;
        transition: all .15s;
    }

    .settings-account-card.active {
        border-color: var(--accent);
        box-shadow: inset 0 0 0 1px rgba(74, 240, 196, .2);
        background: linear-gradient(180deg, rgba(74, 240, 196, .08), rgba(18, 23, 32, .96));
    }

    .settings-account-card:hover {
        border-color: var(--blue);
    }

    .settings-account-card-top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
    }

    .settings-account-card-name {
        font-size: 13px;
        font-weight: 700;
        color: var(--text);
    }

    .settings-account-card-badge {
        padding: 4px 8px;
        border-radius: 999px;
        font-size: 9px;
        font-weight: 700;
        letter-spacing: .12em;
        text-transform: uppercase;
        color: var(--accent);
        background: var(--accent-dim);
        border: 1px solid rgba(74, 240, 196, .2);
    }

    .settings-account-card-email {
        margin-top: 8px;
        font-size: 11px;
        color: var(--text3);
        font-family: 'DM Mono', monospace;
        line-height: 1.5;
        word-break: break-word;
    }

    .settings-account-card-actions {
        margin-top: 12px;
        display: flex;
        justify-content: flex-end;
    }

    .settings-account-activate {
        border-radius: 10px;
        border: 1px solid rgba(74, 144, 232, .25);
        background: rgba(74, 144, 232, .08);
        color: var(--blue);
        padding: 8px 10px;
        font-family: 'DM Mono', monospace;
        font-size: 10px;
        letter-spacing: .08em;
        text-transform: uppercase;
        cursor: pointer;
    }

    .settings-section {
        background: rgba(24, 28, 36, .9);
        border: 1px solid var(--border);
        border-radius: 16px;
        padding: 20px;
    }

    .settings-section-top {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        gap: 16px;
        margin-bottom: 18px;
    }

    .settings-section-top h3 {
        font-size: 18px;
        margin-bottom: 6px;
    }

    .settings-section-top p {
        font-size: 12px;
        line-height: 1.7;
        color: var(--text3);
        font-family: 'DM Mono', monospace;
        max-width: 760px;
    }

    .settings-badge {
        flex-shrink: 0;
        border-radius: 999px;
        padding: 7px 10px;
        border: 1px solid rgba(74, 240, 196, .2);
        background: var(--accent-dim);
        color: var(--accent);
        font-size: 10px;
        font-weight: 700;
        letter-spacing: .12em;
        text-transform: uppercase;
    }

    .settings-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 14px;
    }

    .settings-grid.single {
        grid-template-columns: 1fr;
    }

    .settings-field {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .settings-field label,
    .settings-rule-label {
        font-size: 11px;
        font-weight: 700;
        letter-spacing: .12em;
        text-transform: uppercase;
        color: var(--text3);
    }

    .settings-inline-note {
        margin-top: 14px;
        padding: 10px 12px;
        border-radius: 12px;
        border: 1px dashed var(--border2);
        background: rgba(18, 23, 32, .62);
        font-size: 11px;
        line-height: 1.7;
        color: var(--text3);
        font-family: 'DM Mono', monospace;
    }

    .settings-inline-note.hidden {
        display: none;
    }

    .settings-field input,
    .settings-field select,
    .settings-field textarea,
    .settings-rule-row input,
    .settings-rule-row select {
        width: 100%;
        background: #121720;
        border: 1px solid var(--border2);
        border-radius: 10px;
        padding: 12px 14px;
        font-family: 'DM Mono', monospace;
        font-size: 12px;
        color: var(--text);
        outline: none;
        transition: border-color .15s;
    }

    .settings-field textarea {
        min-height: 120px;
        resize: vertical;
        line-height: 1.7;
    }

    .settings-field input:focus,
    .settings-field select:focus,
    .settings-field textarea:focus,
    .settings-rule-row input:focus,
    .settings-rule-row select:focus {
        border-color: var(--accent);
    }

    .settings-switch-list {
        display: grid;
        gap: 12px;
    }

    .settings-switch-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 14px 16px;
        border: 1px solid var(--border);
        border-radius: 14px;
        background: #121720;
    }

    .settings-switch-row strong {
        display: block;
        font-size: 14px;
        margin-bottom: 4px;
    }

    .settings-switch-row span {
        color: var(--text3);
        font-size: 12px;
        line-height: 1.6;
        font-family: 'DM Mono', monospace;
    }

    .settings-switch {
        position: relative;
        width: 54px;
        height: 30px;
        flex-shrink: 0;
    }

    .settings-switch input {
        display: none;
    }

    .settings-slider {
        position: absolute;
        inset: 0;
        border-radius: 999px;
        background: #24384c;
        border: 1px solid var(--border2);
    }

    .settings-slider::after {
        content: "";
        position: absolute;
        top: 3px;
        left: 3px;
        width: 22px;
        height: 22px;
        border-radius: 50%;
        background: #dff9f4;
        transition: transform .18s ease;
    }

    .settings-switch input:checked + .settings-slider {
        background: rgba(74, 240, 196, .22);
        border-color: rgba(74, 240, 196, .3);
    }

    .settings-switch input:checked + .settings-slider::after {
        transform: translateX(24px);
        background: var(--accent);
    }

    .knowledge-documents-list {
        display: grid;
        gap: 10px;
        margin-top: 14px;
    }

    .knowledge-document-item,
    .knowledge-document-empty {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding: 14px 16px;
        border: 1px solid var(--border);
        border-radius: 12px;
        background: #121720;
    }

    .knowledge-document-empty {
        justify-content: flex-start;
        color: var(--text3);
        font-size: 12px;
        line-height: 1.6;
        font-family: 'DM Mono', monospace;
        flex-direction: column;
        align-items: flex-start;
    }

    .knowledge-document-meta {
        min-width: 0;
    }

    .knowledge-document-actions {
        display: flex;
        gap: 8px;
        align-items: center;
        flex-wrap: wrap;
    }

    .knowledge-document-name {
        font-size: 13px;
        font-weight: 700;
        color: var(--text);
        word-break: break-word;
    }

    .knowledge-document-info {
        margin-top: 4px;
        font-size: 11px;
        color: var(--text3);
        font-family: 'DM Mono', monospace;
    }

    .settings-rule-toolbar,
    .settings-actions {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        margin-top: 18px;
    }

    .settings-connection-actions {
        justify-content: flex-start;
    }

    .settings-google-btn {
        min-width: 210px;
    }

    .settings-rule-table {
        display: grid;
        gap: 10px;
        margin-top: 12px;
    }

    .settings-rule-row {
        display: grid;
        grid-template-columns: 1.2fr 1fr 1fr auto;
        gap: 10px;
        align-items: center;
        padding: 12px;
        border-radius: 14px;
        background: #121720;
        border: 1px solid var(--border);
    }

    .settings-mini-btn,
    .settings-rule-remove {
        border-radius: 10px;
        border: 1px solid var(--border2);
        background: var(--surface2);
        color: var(--text2);
        padding: 10px 12px;
        font-family: 'DM Mono', monospace;
        font-size: 11px;
        letter-spacing: .08em;
        text-transform: uppercase;
        cursor: pointer;
        transition: all .15s;
    }

    .settings-mini-btn:hover {
        border-color: var(--accent);
        color: var(--accent);
    }

    .settings-rule-remove {
        border-color: rgba(255, 124, 143, .22);
        color: #ff9eb0;
        background: rgba(255, 124, 143, .08);
    }

    .settings-automation-grid {
        display: grid;
        grid-template-columns: minmax(0, 1.2fr) minmax(260px, .8fr);
        gap: 18px;
    }

    .settings-callout {
        border-radius: 16px;
        border: 1px solid rgba(74, 144, 232, .18);
        background: linear-gradient(180deg, rgba(74, 144, 232, .10), rgba(74, 144, 232, .03));
        padding: 18px;
        height: fit-content;
    }

    .settings-callout strong {
        display: block;
        margin-bottom: 8px;
        color: var(--blue);
        font-size: 14px;
    }

    .settings-callout p {
        font-size: 13px;
        line-height: 1.7;
        color: var(--text2);
        font-family: 'DM Mono', monospace;
    }

    .settings-save-btn {
        min-width: 190px;
    }

    .modal-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 18px 24px;
        border-bottom: 1px solid var(--border);
        background: linear-gradient(90deg, rgba(74, 240, 196, .05), transparent);
    }

    .modal-title {
        font-size: 16px;
        font-weight: 800;
        letter-spacing: .03em;
    }

    .modal-close {
        background: var(--surface2);
        border: 1px solid var(--border2);
        border-radius: 7px;
        width: 30px;
        height: 30px;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        color: var(--text3);
        font-size: 16px;
        transition: all .15s;
    }

    .modal-close:hover {
        border-color: var(--accent);
        color: var(--accent);
    }

    .modal-body {
        padding: 20px 24px;
        display: flex;
        flex-direction: column;
        gap: 14px;
        overflow-y: auto;
    }

    .form-group {
        display: flex;
        flex-direction: column;
        gap: 6px;
    }

    .form-label {
        font-size: 11px;
        font-weight: 700;
        letter-spacing: .1em;
        text-transform: uppercase;
        color: var(--text3);
    }

    .form-input,
    .form-textarea {
        background: var(--surface2);
        border: 1px solid var(--border2);
        border-radius: 8px;
        padding: 10px 14px;
        font-family: 'DM Mono', monospace;
        font-size: 12px;
        color: var(--text);
        outline: none;
        transition: border-color .2s;
        resize: vertical;
    }

    .form-input:focus,
    .form-textarea:focus {
        border-color: var(--accent);
    }

    .form-input::placeholder,
    .form-textarea::placeholder {
        color: var(--text3);
    }

    .attachment-picker {
        background: var(--surface2);
        border: 1px solid var(--border2);
        border-radius: 10px;
        padding: 12px;
    }

    .attachment-input {
        padding: 8px 10px;
    }

    .attachment-help {
        margin-top: 8px;
        font-size: 11px;
        color: var(--text3);
        font-family: 'DM Mono', monospace;
        line-height: 1.5;
    }

    .attachment-list {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .attachment-item {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        background: var(--surface2);
        border: 1px solid var(--border2);
        border-radius: 10px;
        padding: 10px 12px;
    }

    .attachment-meta {
        min-width: 0;
    }

    .attachment-name {
        font-size: 12px;
        color: var(--text);
        font-weight: 600;
        word-break: break-word;
    }

    .attachment-size {
        margin-top: 4px;
        font-size: 11px;
        color: var(--text3);
        font-family: 'DM Mono', monospace;
    }

    .attachment-remove {
        background: transparent;
        border: 1px solid var(--border2);
        border-radius: 7px;
        padding: 6px 10px;
        color: var(--text3);
        cursor: pointer;
        transition: all .15s;
        flex-shrink: 0;
    }

    .attachment-remove:hover {
        border-color: var(--warn);
        color: var(--warn);
    }

    .generate-area {
        background: var(--surface2);
        border: 1px solid var(--border2);
        border-radius: 10px;
        padding: 16px;
        position: relative;
    }

    .generate-label {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 11px;
        font-weight: 700;
        letter-spacing: .1em;
        text-transform: uppercase;
        color: var(--accent);
        margin-bottom: 10px;
    }

    .form-textarea {
        width: 100%;
        min-height: 90px;
    }

    .generate-btn {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        background: linear-gradient(135deg, var(--accent-dim), rgba(74, 144, 232, .15));
        border: 1px solid var(--accent);
        border-radius: 8px;
        padding: 11px;
        font-family: inherit;
        font-size: 13px;
        font-weight: 700;
        color: var(--accent);
        cursor: pointer;
        letter-spacing: .04em;
        transition: all .2s;
        margin-top: 6px;
    }

    .generate-btn:hover {
        background: var(--accent);
        color: var(--bg);
        box-shadow: 0 0 24px rgba(74, 240, 196, .4);
    }

    .generated-result {
        background: var(--surface2);
        border: 1px solid rgba(74, 240, 196, .25);
        border-radius: 10px;
        padding: 16px;
        display: none;
    }

    .generated-result.visible {
        display: block;
    }

    .generated-result-label {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 10px;
        font-weight: 700;
        color: var(--accent);
        letter-spacing: .1em;
        text-transform: uppercase;
        margin-bottom: 10px;
    }

    .generated-result-text {
        font-size: 12px;
        line-height: 1.8;
        color: var(--text2);
        font-family: 'DM Mono', monospace;
    }

    .generated-sources {
        display: none;
        margin-top: 12px;
        padding-top: 12px;
        border-top: 1px solid var(--border);
        gap: 8px;
        flex-direction: column;
    }

    .generated-sources.visible {
        display: flex;
    }

    .generated-sources-title {
        font-size: 10px;
        font-weight: 700;
        color: var(--text3);
        letter-spacing: .08em;
        text-transform: uppercase;
    }

    .generated-sources-summary {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-top: 2px;
    }

    .generated-sources-badge {
        padding: 5px 8px;
        border-radius: 999px;
        border: 1px solid var(--border);
        background: rgba(255,255,255,.03);
        font-size: 10px;
        font-weight: 700;
        letter-spacing: .04em;
        color: var(--text3);
    }

    .generated-sources-badge.active {
        color: var(--accent);
        border-color: rgba(74, 240, 196, .28);
        background: rgba(74, 240, 196, .08);
    }

    .generated-sources-badge.muted {
        color: var(--text3);
    }

    .generated-source-item {
        border: 1px solid var(--border);
        border-radius: 8px;
        padding: 10px 12px;
        background: rgba(255,255,255,.02);
    }

    .generated-source-empty {
        border: 1px dashed var(--border2);
        border-radius: 8px;
        padding: 10px 12px;
        background: rgba(255,255,255,.02);
        font-size: 11px;
        line-height: 1.6;
        color: var(--text3);
        font-family: 'DM Mono', monospace;
    }

    .generated-source-name {
        font-size: 11px;
        font-weight: 700;
        color: var(--accent);
        margin-bottom: 6px;
    }

    .generated-source-text {
        font-size: 11px;
        line-height: 1.6;
        color: var(--text3);
        font-family: 'DM Mono', monospace;
    }

    .modal-footer {
        display: flex;
        justify-content: flex-end;
        gap: 10px;
        padding: 16px 24px;
        border-top: 1px solid var(--border);
    }

    .btn-cancel {
        background: transparent;
        border: 1px solid var(--border2);
        border-radius: 8px;
        padding: 9px 20px;
        font-family: inherit;
        font-size: 13px;
        font-weight: 600;
        color: var(--text3);
        cursor: pointer;
        transition: all .15s;
    }

    .btn-cancel:hover {
        border-color: var(--text3);
        color: var(--text);
    }

    .btn-send {
        background: var(--accent);
        border: none;
        border-radius: 8px;
        padding: 9px 24px;
        font-family: inherit;
        font-size: 13px;
        font-weight: 700;
        color: var(--bg);
        cursor: pointer;
        transition: all .2s;
        box-shadow: 0 0 20px rgba(74, 240, 196, .3);
    }

    .btn-send:hover {
        background: #5fffd4;
        box-shadow: 0 0 32px rgba(74, 240, 196, .5);
    }

    /* Scrollbar */
    ::-webkit-scrollbar {
        width: 4px;
    }

    ::-webkit-scrollbar-track {
        background: transparent;
    }

    ::-webkit-scrollbar-thumb {
        background: var(--border2);
        border-radius: 2px;
    }

    /* animation delays for mail items */
    .mail-item:nth-child(1) {
        animation-delay: .05s;
    }

    .mail-item:nth-child(2) {
        animation-delay: .10s;
    }

    .mail-item:nth-child(3) {
        animation-delay: .15s;
    }

    .mail-item:nth-child(4) {
        animation-delay: .20s;
    }

    .mail-item:nth-child(5) {
        animation-delay: .25s;
    }

    .mail-item:nth-child(6) {
        animation-delay: .30s;
    }

    /* spinner */
    .spinner {
        width: 16px;
        height: 16px;
        border-radius: 50%;
        border: 2px solid rgba(74, 240, 196, .3);
        border-top-color: var(--accent);
        animation: spin .7s linear infinite;
        display: none;
    }

    .spinner.active {
        display: block;
    }

    @keyframes spin {
        to {
            transform: rotate(360deg);
        }
    }

    @media (max-width: 900px) {
        html.dashboard-document,
        body.dashboard-page {
            height: auto;
            min-height: 100%;
        }

        body.dashboard-page {
            overflow-x: hidden;
            overflow-y: auto;
        }

        body.dashboard-page header {
            align-items: flex-start;
            flex-wrap: wrap;
            gap: 12px;
            padding: 12px 14px;
        }

        body.dashboard-page .logo {
            min-width: 0;
        }

        body.dashboard-page .logo-tag {
            display: none;
        }

        body.dashboard-page .header-right {
            width: 100%;
            justify-content: space-between;
            gap: 8px;
        }

        body.dashboard-page .header-ghost-btn,
        body.dashboard-page header .compose-btn {
            min-height: 40px;
            flex: 1;
            padding: 10px 12px;
            font-size: 11px;
        }

        body.dashboard-page .avatar {
            width: 40px;
            height: 40px;
            flex: 0 0 40px;
        }

        body.dashboard-page .app {
            display: block;
            flex: none;
            overflow: visible;
            min-height: auto;
        }

        body.dashboard-page > .app > aside {
            width: 100%;
            max-width: 100%;
            flex-direction: row;
            align-items: center;
            gap: 8px;
            padding: 10px 12px;
            border-right: 0;
            border-bottom: 1px solid var(--border);
            overflow-x: auto;
            overflow-y: hidden;
            scrollbar-width: none;
        }

        body.dashboard-page > .app > aside::-webkit-scrollbar {
            display: none;
        }

        body.dashboard-page .nav-section-label,
        body.dashboard-page .sidebar-divider,
        body.dashboard-page .ai-status {
            display: none;
        }

        body.dashboard-page #folderMailboxList {
            display: flex;
            gap: 8px;
            flex: 0 0 auto;
        }

        body.dashboard-page .nav-item {
            min-height: 40px;
            flex: 0 0 auto;
            gap: 10px;
            padding: 9px 12px;
            border: 1px solid var(--border2);
            border-radius: 8px;
            background: var(--surface2);
            white-space: nowrap;
        }

        body.dashboard-page .nav-item.active {
            border-color: var(--accent);
            background: var(--glow2);
        }

        body.dashboard-page .nav-item-left {
            font-size: 12px;
        }

        body.dashboard-page .mail-list {
            width: 100%;
            border-right: 0;
            border-bottom: 1px solid var(--border);
            overflow: visible;
        }

        body.dashboard-page .mail-list-header {
            padding: 14px;
        }

        body.dashboard-page .mail-list-title {
            font-size: 16px;
        }

        body.dashboard-page .mail-tabs {
            overflow-x: auto;
            scrollbar-width: none;
        }

        body.dashboard-page .mail-tabs::-webkit-scrollbar {
            display: none;
        }

        body.dashboard-page .mail-tab {
            min-width: max-content;
            flex: 0 0 auto;
            padding: 11px 14px;
            font-size: 10px;
        }

        body.dashboard-page .mail-items {
            flex: none;
            overflow: visible;
        }

        body.dashboard-page .mail-item {
            padding: 14px 16px;
        }

        body.dashboard-page .mail-item-subject,
        body.dashboard-page .mail-item-preview {
            white-space: normal;
        }

        body.dashboard-page .mail-pagination {
            position: sticky;
            bottom: 0;
            z-index: 4;
        }

        body.dashboard-page .mail-detail {
            min-height: 540px;
            overflow: visible;
        }

        body.dashboard-page .detail-header {
            padding: 16px;
        }

        body.dashboard-page .detail-subject {
            font-size: 18px;
        }

        body.dashboard-page .detail-meta,
        body.dashboard-page .detail-actions,
        body.dashboard-page .ai-draft-header,
        body.dashboard-page .mail-attachments-header {
            flex-direction: column;
            align-items: stretch;
        }

        body.dashboard-page .detail-actions,
        body.dashboard-page .ai-draft-actions {
            width: 100%;
        }

        body.dashboard-page .action-btn,
        body.dashboard-page .ai-draft-actions .action-btn {
            justify-content: center;
            flex: 1;
        }

        body.dashboard-page .detail-body {
            padding: 0 16px;
            overflow: visible;
        }

        body.dashboard-page .mail-body-text,
        body.dashboard-page .ai-draft-body {
            font-size: 13px;
        }

        body.dashboard-page .mail-body-frame,
        body.dashboard-page .mail-body-frame-wrap {
            min-height: 520px;
        }

        body.dashboard-page .modal-overlay {
            align-items: stretch;
            padding: 12px;
        }

        body.dashboard-page .modal {
            width: 100%;
            max-width: none;
            max-height: calc(100dvh - 24px);
            border-radius: 12px;
        }

        body.dashboard-page .modal-header,
        body.dashboard-page .modal-body,
        body.dashboard-page .modal-footer {
            padding-left: 16px;
            padding-right: 16px;
        }

        body.dashboard-page .modal-footer {
            flex-direction: column-reverse;
        }

        body.dashboard-page .modal-footer .compose-btn,
        body.dashboard-page .modal-footer .btn-cancel {
            width: 100%;
            justify-content: center;
        }

        .settings-overlay {
            padding: 12px;
            align-items: stretch;
        }

        .settings-modal-header,
        .settings-modal-footer {
            padding: 16px;
            align-items: flex-start;
            flex-direction: column;
        }

        .settings-modal-header {
            position: sticky;
            top: 0;
            z-index: 3;
        }

        .settings-modal-body {
            padding: 16px;
        }

        .settings-modal {
            width: 100%;
            max-height: calc(100dvh - 24px);
            margin: 0;
            border-radius: 12px;
        }

        .settings-modal-title {
            font-size: 18px;
        }

        .settings-modal-subtitle {
            margin-top: 4px;
            font-size: 11px;
        }

        .settings-close {
            position: absolute;
            top: 14px;
            right: 14px;
            width: 34px;
            height: 34px;
            border-radius: 8px;
        }

        .settings-layout {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .settings-account-sidebar {
            position: static;
            width: 100%;
            padding: 14px;
            border-radius: 12px;
            gap: 12px;
        }

        .settings-account-sidebar-top,
        .settings-section-top,
        .settings-switch-row,
        .knowledge-document-item,
        .settings-rule-toolbar {
            flex-direction: column;
            align-items: stretch;
        }

        .settings-account-sidebar-top .settings-mini-btn,
        .settings-rule-toolbar .settings-mini-btn,
        .settings-google-btn {
            width: 100%;
        }

        .settings-account-list {
            display: flex;
            gap: 10px;
            overflow-x: auto;
            padding-bottom: 2px;
            scrollbar-width: none;
        }

        .settings-account-list::-webkit-scrollbar {
            display: none;
        }

        .settings-empty-state,
        .settings-account-card {
            min-width: min(260px, 84vw);
            flex: 0 0 auto;
        }

        .settings-content {
            gap: 14px;
        }

        .settings-section {
            padding: 16px;
            border-radius: 12px;
        }

        .settings-section-top {
            gap: 10px;
            margin-bottom: 14px;
        }

        .settings-section-top h3 {
            font-size: 16px;
        }

        .settings-section-top p {
            font-size: 11px;
        }

        .settings-grid,
        .settings-automation-grid,
        .settings-rule-row {
            grid-template-columns: 1fr;
        }

        .settings-switch-row,
        .knowledge-document-item,
        .settings-rule-row {
            padding: 12px;
            border-radius: 10px;
        }

        .settings-switch {
            align-self: flex-start;
        }

        .knowledge-document-actions,
        .settings-connection-actions,
        .settings-actions {
            flex-direction: column;
            align-items: stretch;
        }

        .knowledge-document-actions .btn-cancel,
        .knowledge-document-actions .btn-send,
        .settings-connection-actions .btn-cancel,
        .settings-connection-actions .btn-send,
        .settings-rule-remove,
        .settings-mini-btn {
            width: 100%;
        }

        .template-picker-row {
            flex-direction: column;
            align-items: stretch;
        }

        .settings-actions {
            width: 100%;
        }

        .settings-save-btn,
        .settings-actions .btn-send,
        .settings-actions .btn-cancel {
            width: 100%;
            justify-content: center;
        }
    }

/* Webmail polish */
.account-chip {
    max-width: 220px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    border: 1px solid var(--border2);
    border-radius: 999px;
    padding: 9px 13px;
    color: var(--text2);
    background: var(--surface2);
    font-family: 'DM Mono', monospace;
    font-size: 11px;
}

.header-ghost-btn.danger {
    color: #ffb4b4;
    border-color: rgba(255, 120, 120, .28);
}

.header-ghost-btn.danger:hover {
    color: #fff;
    border-color: rgba(255, 120, 120, .55);
    background: rgba(255, 80, 80, .12);
}

.mail-item[data-mail-list-empty="true"] {
    cursor: default;
}

.mail-item[data-mail-list-empty="true"]:hover {
    background: var(--surface2);
}

.page-btn:disabled {
    opacity: .35;
    cursor: not-allowed;
}

@media (max-width: 900px) {
    body.dashboard-page .account-chip {
        order: -1;
        flex: 1 1 100%;
        max-width: none;
        text-align: center;
    }

    body.dashboard-page #refreshMailboxButton,
    body.dashboard-page #openSettingsButton,
    body.dashboard-page #logoutButton {
        flex: 1 1 calc(33.333% - 6px);
    }

    body.dashboard-page header .compose-btn {
        flex: 1 1 100%;
    }
}