/* Path Goal International — Webmail (standard email UI) */
*, *::before, *::after { box-sizing: border-box; }

:root {
    --mail-primary: #1e40af;
    --mail-primary-hover: #1d4ed8;
    --mail-accent: #0d9488;
    --mail-bg: #f0f4f8;
    --mail-surface: #ffffff;
    --mail-border: #e2e8f0;
    --mail-text: #0f172a;
    --mail-muted: #64748b;
    --mail-sidebar-w: 260px;
    --mail-radius: 12px;
    --mail-shadow: 0 1px 3px rgba(15, 23, 42, .08), 0 8px 24px rgba(15, 23, 42, .06);
}

body.mailbox-app {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--mail-bg);
    color: var(--mail-text);
    min-height: 100vh;
    font-size: 15px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--mail-primary); }
a:hover { color: var(--mail-primary-hover); }

/* ---- Login (unauthenticated) ---- */
.mailbox-login-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: linear-gradient(160deg, #eff6ff 0%, #f0f4f8 45%, #f8fafc 100%);
}
.mailbox-login-top {
    text-align: center;
    margin-bottom: 28px;
}
.mailbox-login-logo {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--mail-primary), var(--mail-accent));
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 16px;
    box-shadow: 0 8px 20px rgba(30, 64, 175, .25);
}
.mailbox-login-top h1 {
    margin: 0 0 6px;
    font-size: 1.5rem;
    font-weight: 700;
}
.mailbox-login-top p {
    margin: 0;
    color: var(--mail-muted);
    font-size: .95rem;
    max-width: 360px;
}
.mailbox-login-card {
    width: 100%;
    max-width: 400px;
    background: var(--mail-surface);
    border: 1px solid var(--mail-border);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--mail-shadow);
}
.mailbox-back-link {
    margin-top: 24px;
    font-size: .9rem;
    color: var(--mail-muted);
    text-decoration: none;
    font-weight: 500;
}
.mailbox-back-link:hover { color: var(--mail-primary); }

/* ---- App shell (authenticated) ---- */
.mail-shell {
    display: flex;
    min-height: 100vh;
}
.mail-sidebar {
    width: var(--mail-sidebar-w);
    flex-shrink: 0;
    background: var(--mail-surface);
    border-right: 1px solid var(--mail-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: transform .25s ease;
}
.mail-sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 18px;
    text-decoration: none;
    color: var(--mail-text);
    border-bottom: 1px solid var(--mail-border);
}
.mail-sidebar-brand-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--mail-primary), var(--mail-accent));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    flex-shrink: 0;
}
.mail-sidebar-brand-text {
    font-weight: 700;
    font-size: .95rem;
    line-height: 1.25;
}
.mail-sidebar-brand-text small {
    display: block;
    font-weight: 500;
    color: var(--mail-muted);
    font-size: .75rem;
}
.mail-sidebar-compose {
    margin: 16px 14px;
}
.mail-btn-compose {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px 16px;
    background: var(--mail-primary);
    color: #fff !important;
    border-radius: 10px;
    font-weight: 600;
    font-size: .9375rem;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(30, 64, 175, .3);
    transition: background .2s, transform .15s;
}
.mail-btn-compose:hover {
    background: var(--mail-primary-hover);
    transform: translateY(-1px);
    opacity: 1;
}
.mail-sidebar-nav {
    flex: 1;
    padding: 8px 10px;
}
.mail-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    border-radius: 10px;
    text-decoration: none;
    color: var(--mail-text);
    font-weight: 500;
    font-size: .9375rem;
    margin-bottom: 4px;
    transition: background .15s;
}
.mail-nav-item svg {
    flex-shrink: 0;
    opacity: .7;
}
.mail-nav-item:hover {
    background: #f1f5f9;
    color: var(--mail-primary);
    opacity: 1;
}
.mail-nav-item.is-active {
    background: #eff6ff;
    color: var(--mail-primary);
    font-weight: 600;
}
.mail-nav-item.is-active svg { opacity: 1; }
.mail-nav-item.is-disabled {
    opacity: .45;
    cursor: not-allowed;
    pointer-events: none;
}
.mail-nav-badge {
    margin-left: auto;
    background: var(--mail-primary);
    color: #fff;
    font-size: .7rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 999px;
    min-width: 22px;
    text-align: center;
}
.mail-sidebar-footer {
    padding: 14px;
    border-top: 1px solid var(--mail-border);
    background: #f8fafc;
}
.mail-user-email {
    font-size: .8rem;
    color: var(--mail-muted);
    word-break: break-all;
    margin-bottom: 10px;
    line-height: 1.4;
}
.mail-signout {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: .875rem;
    font-weight: 600;
    color: var(--mail-primary);
    text-decoration: none;
}
.mail-signout:hover { text-decoration: underline; opacity: 1; }

.mail-main {
    flex: 1;
    margin-left: var(--mail-sidebar-w);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-width: 0;
}
.mail-topbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 24px;
    background: var(--mail-surface);
    border-bottom: 1px solid var(--mail-border);
    position: sticky;
    top: 0;
    z-index: 50;
    flex-wrap: wrap;
}
.mail-topbar-tools {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 200px;
    justify-content: flex-end;
}
.mail-search-form {
    display: flex;
    align-items: center;
    flex: 1;
    max-width: 360px;
    min-width: 140px;
    position: relative;
}
.mail-search-input {
    width: 100%;
    padding: 8px 36px 8px 12px;
    border: 1px solid var(--mail-border);
    border-radius: 8px;
    font-size: .875rem;
    font-family: inherit;
    background: #f8fafc;
}
.mail-search-input:focus {
    outline: none;
    border-color: var(--mail-primary);
    background: #fff;
}
.mail-search-btn {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    background: transparent;
    color: var(--mail-muted);
    cursor: pointer;
    padding: 4px 8px;
    display: flex;
}
.mail-search-clear {
    position: absolute;
    right: 32px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--mail-muted);
    text-decoration: none;
    font-size: 1.1rem;
    line-height: 1;
    padding: 0 4px;
}
.mail-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--mail-border);
    border-radius: 8px;
    background: var(--mail-surface);
    color: var(--mail-text);
    cursor: pointer;
    text-decoration: none;
    flex-shrink: 0;
}
.mail-icon-btn:hover {
    border-color: var(--mail-primary);
    color: var(--mail-primary);
}
.mail-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}
.mail-topbar-toggle {
    display: none;
    background: #f1f5f9;
    border: none;
    border-radius: 8px;
    padding: 8px 10px;
    cursor: pointer;
    color: var(--mail-text);
}
.mail-topbar-title {
    flex: 1;
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
}
.mail-topbar-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.mail-content {
    flex: 1;
    padding: 20px 24px 40px;
    max-width: 1100px;
    width: 100%;
}

/* ---- Buttons & alerts ---- */
.mail-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 16px;
    border-radius: 8px;
    font-weight: 600;
    font-size: .875rem;
    border: none;
    cursor: pointer;
    text-decoration: none;
    font-family: inherit;
    transition: background .15s, border-color .15s;
}
.mail-btn-primary {
    background: var(--mail-primary);
    color: #fff !important;
}
.mail-btn-primary:hover { background: var(--mail-primary-hover); opacity: 1; }
.mail-btn-secondary {
    background: var(--mail-surface);
    color: var(--mail-primary) !important;
    border: 1px solid var(--mail-border);
}
.mail-btn-secondary:hover {
    background: #f8fafc;
    border-color: var(--mail-primary);
    opacity: 1;
}
.mail-alert {
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 16px;
    font-size: .9rem;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.mail-alert-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}
.mail-alert-success {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

/* ---- Forms ---- */
.mail-form label {
    display: block;
    font-weight: 600;
    font-size: .8125rem;
    color: var(--mail-muted);
    text-transform: uppercase;
    letter-spacing: .04em;
    margin: 0 0 6px;
}
.mail-form .mail-field {
    margin-bottom: 18px;
}
.mail-input,
.mail-textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--mail-border);
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    background: #fff;
    color: var(--mail-text);
    transition: border-color .15s, box-shadow .15s;
}
.mail-input:focus,
.mail-textarea:focus {
    outline: none;
    border-color: var(--mail-primary);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, .12);
}
.mail-textarea {
    resize: vertical;
    min-height: 200px;
    line-height: 1.6;
}
.mail-form-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    padding-top: 8px;
}

/* ---- Inbox list ---- */
.mail-panel {
    background: var(--mail-surface);
    border: 1px solid var(--mail-border);
    border-radius: var(--mail-radius);
    box-shadow: var(--mail-shadow);
    overflow: hidden;
}
.mail-panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-bottom: 1px solid var(--mail-border);
    background: #fafbfc;
    font-size: .875rem;
    color: var(--mail-muted);
}
.mail-panel-head strong { color: var(--mail-text); }
.mail-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.mail-row {
    border-bottom: 1px solid var(--mail-border);
    display: flex;
    align-items: stretch;
}
.mail-row:last-child { border-bottom: none; }
.mail-row-check {
    display: flex;
    align-items: center;
    padding: 0 4px 0 16px;
    flex-shrink: 0;
    cursor: pointer;
}
.mail-row-check input {
    width: 16px;
    height: 16px;
    accent-color: var(--mail-primary);
}
.mail-row-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 20px 14px 8px;
    flex: 1;
    min-width: 0;
    text-decoration: none;
    color: inherit;
    transition: background .12s;
}
.mail-row-link:hover {
    background: #f8fafc;
    opacity: 1;
}
.mail-row.is-unread .mail-row-link {
    background: #f8fbff;
}
.mail-row.is-unread .mail-from,
.mail-row.is-unread .mail-subject-line {
    font-weight: 700;
    color: var(--mail-text);
}
.mail-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, #93c5fd, #1e40af);
    color: #fff;
    font-weight: 700;
    font-size: .85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.mail-row-body {
    flex: 1;
    min-width: 0;
}
.mail-row-top {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 2px;
}
.mail-from {
    font-size: .9375rem;
    color: var(--mail-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.mail-time {
    font-size: .75rem;
    color: var(--mail-muted);
    white-space: nowrap;
    flex-shrink: 0;
}
.mail-subject-line {
    font-size: .9rem;
    color: var(--mail-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}
.mail-preview-line {
    font-size: .8125rem;
    color: var(--mail-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.mail-unread-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--mail-primary);
    flex-shrink: 0;
    margin-top: 8px;
}
.mail-empty-state {
    text-align: center;
    padding: 56px 24px;
    color: var(--mail-muted);
}
.mail-empty-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
    opacity: .5;
}
.mail-empty-state h2 {
    margin: 0 0 8px;
    font-size: 1.125rem;
    color: var(--mail-text);
}

/* ---- Read message ---- */
.mail-read-panel {
    background: var(--mail-surface);
    border: 1px solid var(--mail-border);
    border-radius: var(--mail-radius);
    box-shadow: var(--mail-shadow);
    overflow: hidden;
}
.mail-read-header {
    padding: 24px 28px;
    border-bottom: 1px solid var(--mail-border);
}
.mail-read-subject {
    margin: 0 0 16px;
    font-size: 1.375rem;
    font-weight: 700;
    line-height: 1.35;
    word-break: break-word;
}
.mail-read-meta {
    display: grid;
    gap: 8px;
    font-size: .9rem;
}
.mail-read-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
}
.mail-read-meta-label {
    font-weight: 600;
    color: var(--mail-muted);
    min-width: 48px;
}
.mail-read-meta-value {
    color: var(--mail-text);
    word-break: break-all;
}
.mail-read-body {
    padding: 28px;
    line-height: 1.7;
    font-size: .9375rem;
    color: #334155;
    max-height: 65vh;
    overflow: auto;
    word-break: break-word;
}
.mail-read-body p { margin: 0 0 1em; }
.mail-read-body a { color: var(--mail-primary); }

/* ---- Compose ---- */
.mail-compose-panel {
    background: var(--mail-surface);
    border: 1px solid var(--mail-border);
    border-radius: var(--mail-radius);
    box-shadow: var(--mail-shadow);
    padding: 28px;
}
.mail-file-input {
    display: block;
    width: 100%;
    font-size: .875rem;
    padding: 10px 0;
}
.mail-field-hint {
    margin: 6px 0 0;
    font-size: .8125rem;
    color: var(--mail-muted);
}
.mail-attach-indicator {
    display: inline-flex;
    vertical-align: middle;
    margin-right: 4px;
    opacity: .65;
}
.mail-attach-indicator svg {
    width: 14px;
    height: 14px;
}

/* ---- Action bar (Roundcube-style) ---- */
.mail-action-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    background: var(--mail-surface);
    border: 1px solid var(--mail-border);
    border-radius: var(--mail-radius);
    margin-bottom: 12px;
    box-shadow: var(--mail-shadow);
}
.mail-action-bar-view {
    position: sticky;
    top: 72px;
    z-index: 40;
}
.mail-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 7px 12px;
    border: 1px solid var(--mail-border);
    border-radius: 8px;
    background: var(--mail-surface);
    color: var(--mail-text);
    font-size: .8125rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: background .12s, border-color .12s;
}
.mail-action-btn:hover:not(:disabled) {
    border-color: var(--mail-primary);
    color: var(--mail-primary);
}
.mail-action-btn:disabled {
    opacity: .45;
    cursor: not-allowed;
}
.mail-action-btn-primary {
    background: var(--mail-primary);
    color: #fff !important;
    border-color: var(--mail-primary);
}
.mail-action-btn-primary:hover:not(:disabled) {
    background: var(--mail-primary-hover);
    color: #fff !important;
}
.mail-action-btn-danger {
    color: #b91c1c;
    border-color: #fecaca;
    background: #fef2f2;
}
.mail-action-bar-divider {
    width: 1px;
    height: 24px;
    background: var(--mail-border);
    margin: 0 4px;
}
.mail-select-all {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: .8125rem;
    font-weight: 600;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
}
.mail-select-all:hover { background: #f1f5f9; }
.mail-inline-form { display: inline; margin: 0; }
.mail-hidden { display: none; }

.mail-dropdown {
    position: relative;
    display: inline-block;
}
.mail-dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    min-width: 180px;
    background: var(--mail-surface);
    border: 1px solid var(--mail-border);
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, .12);
    z-index: 200;
    padding: 6px;
}
.mail-dropdown.is-open .mail-dropdown-menu {
    display: block;
}
.mail-dropdown-label {
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--mail-muted);
    padding: 6px 10px 4px;
}
.mail-dropdown-item {
    display: block;
    width: 100%;
    text-align: left;
    padding: 8px 12px;
    border: none;
    background: transparent;
    border-radius: 6px;
    font-size: .875rem;
    font-family: inherit;
    cursor: pointer;
    color: var(--mail-text);
    text-decoration: none;
}
.mail-dropdown-item:hover {
    background: #f1f5f9;
    color: var(--mail-primary);
}
.mail-dropdown-check {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    font-size: .875rem;
    cursor: pointer;
}
.mail-dropdown-check input { accent-color: var(--mail-primary); }
.mail-theme-menu { min-width: 200px; }
.mail-theme-option {
    display: flex;
    align-items: center;
    gap: 10px;
}
.mail-theme-option.is-active {
    background: #eff6ff;
    color: var(--mail-primary);
}
.mail-theme-swatch {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid rgba(0,0,0,.1);
    flex-shrink: 0;
}
.mail-theme-swatch-blue { background: linear-gradient(135deg, #1e40af, #0d9488); }
.mail-theme-swatch-teal { background: linear-gradient(135deg, #0f766e, #0891b2); }
.mail-theme-swatch-purple { background: linear-gradient(135deg, #6d28d9, #a855f7); }
.mail-theme-swatch-rose { background: linear-gradient(135deg, #be123c, #f43f5e); }
.mail-theme-swatch-dark { background: linear-gradient(135deg, #1e293b, #334155); }

.mail-row.is-thread-child .mail-row-link {
    padding-left: 28px;
    border-left: 3px solid var(--mail-border);
}
.mail-row.is-thread-head .mail-subject-line::before {
    content: '▾ ';
    color: var(--mail-muted);
    font-size: .75rem;
}
.mail-panel.is-compact .mail-row-link {
    padding-top: 8px;
    padding-bottom: 8px;
}
.mail-panel.is-compact .mail-avatar {
    width: 32px;
    height: 32px;
    font-size: .75rem;
}

/* ---- Toolbar & attachments ---- */
.mail-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}
.mail-toolbar-form {
    margin: 0;
}
.mail-btn-sm {
    padding: 6px 12px;
    font-size: .8125rem;
}
.mail-btn-danger {
    background: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}
.mail-btn-danger:hover {
    background: #fee2e2;
    color: #991b1b;
}
.mail-attachments {
    padding: 16px 28px;
    border-bottom: 1px solid var(--mail-border);
    background: #f8fafc;
}
.mail-attachments-title {
    margin: 0 0 12px;
    font-size: .875rem;
    font-weight: 600;
    color: var(--mail-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}
.mail-attachments-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.mail-attachment-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 14px;
    background: var(--mail-surface);
    border: 1px solid var(--mail-border);
    border-radius: 8px;
    text-decoration: none;
    color: var(--mail-text);
    transition: border-color .15s, box-shadow .15s;
}
.mail-attachment-link:hover {
    border-color: var(--mail-primary);
    box-shadow: 0 2px 8px rgba(30, 64, 175, .1);
    color: var(--mail-primary);
}
.mail-attachment-name {
    font-weight: 500;
    word-break: break-all;
}
.mail-attachment-size {
    font-size: .8125rem;
    color: var(--mail-muted);
    white-space: nowrap;
}

/* ---- Setup page ---- */
.mail-setup-card {
    max-width: 560px;
    margin: 40px auto;
    background: var(--mail-surface);
    border-radius: var(--mail-radius);
    border: 1px solid var(--mail-border);
    padding: 32px;
    box-shadow: var(--mail-shadow);
}
.mail-setup-card h1 { margin: 0 0 12px; font-size: 1.35rem; }
.mail-steps {
    margin: 16px 0;
    padding-left: 20px;
    line-height: 1.65;
    color: #334155;
}
.mail-steps li { margin-bottom: 8px; }

/* ---- Color themes ---- */
[data-mail-theme="teal"] {
    --mail-primary: #0f766e;
    --mail-primary-hover: #0d9488;
    --mail-accent: #0891b2;
}
[data-mail-theme="purple"] {
    --mail-primary: #6d28d9;
    --mail-primary-hover: #7c3aed;
    --mail-accent: #a855f7;
}
[data-mail-theme="rose"] {
    --mail-primary: #be123c;
    --mail-primary-hover: #e11d48;
    --mail-accent: #f43f5e;
}
[data-mail-theme="dark"] {
    --mail-primary: #3b82f6;
    --mail-primary-hover: #60a5fa;
    --mail-accent: #22d3ee;
    --mail-bg: #0f172a;
    --mail-surface: #1e293b;
    --mail-border: #334155;
    --mail-text: #f1f5f9;
    --mail-muted: #94a3b8;
}
[data-mail-theme="dark"] .mail-input,
[data-mail-theme="dark"] .mail-textarea,
[data-mail-theme="dark"] .mail-search-input {
    background: #0f172a;
    color: #f1f5f9;
    border-color: #475569;
}
[data-mail-theme="dark"] .mail-row.is-unread .mail-row-link {
    background: #172554;
}
[data-mail-theme="dark"] .mail-sidebar-footer {
    background: #0f172a;
}
[data-mail-theme="dark"] .mail-panel-head,
[data-mail-theme="dark"] .mail-attachments {
    background: #0f172a;
}
[data-mail-theme="dark"] .mail-read-body {
    color: #cbd5e1;
}

@media (max-width: 900px) {
    .mail-sidebar {
        transform: translateX(-100%);
        box-shadow: var(--mail-shadow);
    }
    .mail-shell.sidebar-open .mail-sidebar {
        transform: translateX(0);
    }
    .mail-main { margin-left: 0; }
    .mail-topbar-toggle { display: flex; }
    .mail-topbar-title { font-size: 1rem; }
    .mail-topbar-tools {
        order: 3;
        width: 100%;
        max-width: none;
    }
    .mail-search-form { max-width: none; }
    .mail-content { padding: 16px; }
    .mail-read-header,
    .mail-read-body,
    .mail-compose-panel { padding: 20px; }
    .mail-action-bar-view { top: 120px; }
}