h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNTYiIGhlaWdodD0iNDkiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiIG92ZXJmbG93PSJoaWRkZW4iPjxkZWZzPjxjbGlwUGF0aCBpZD0iY2xpcDAiPjxyZWN0IHg9IjIzNSIgeT0iNTEiIHdpZHRoPSI1NiIgaGVpZ2h0PSI0OSIvPjwvY2xpcFBhdGg+PC9kZWZzPjxnIGNsaXAtcGF0aD0idXJsKCNjbGlwMCkiIHRyYW5zZm9ybT0idHJhbnNsYXRlKC0yMzUgLTUxKSI+PHBhdGggZD0iTTI2My41MDYgNTFDMjY0LjcxNyA1MSAyNjUuODEzIDUxLjQ4MzcgMjY2LjYwNiA1Mi4yNjU4TDI2Ny4wNTIgNTIuNzk4NyAyNjcuNTM5IDUzLjYyODMgMjkwLjE4NSA5Mi4xODMxIDI5MC41NDUgOTIuNzk1IDI5MC42NTYgOTIuOTk2QzI5MC44NzcgOTMuNTEzIDI5MSA5NC4wODE1IDI5MSA5NC42NzgyIDI5MSA5Ny4wNjUxIDI4OS4wMzggOTkgMjg2LjYxNyA5OUwyNDAuMzgzIDk5QzIzNy45NjMgOTkgMjM2IDk3LjA2NTEgMjM2IDk0LjY3ODIgMjM2IDk0LjM3OTkgMjM2LjAzMSA5NC4wODg2IDIzNi4wODkgOTMuODA3MkwyMzYuMzM4IDkzLjAxNjIgMjM2Ljg1OCA5Mi4xMzE0IDI1OS40NzMgNTMuNjI5NCAyNTkuOTYxIDUyLjc5ODUgMjYwLjQwNyA1Mi4yNjU4QzI2MS4yIDUxLjQ4MzcgMjYyLjI5NiA1MSAyNjMuNTA2IDUxWk0yNjMuNTg2IDY2LjAxODNDMjYwLjczNyA2Ni4wMTgzIDI1OS4zMTMgNjcuMTI0NSAyNTkuMzEzIDY5LjMzNyAyNTkuMzEzIDY5LjYxMDIgMjU5LjMzMiA2OS44NjA4IDI1OS4zNzEgNzAuMDg4N0wyNjEuNzk1IDg0LjAxNjEgMjY1LjM4IDg0LjAxNjEgMjY3LjgyMSA2OS43NDc1QzI2Ny44NiA2OS43MzA5IDI2Ny44NzkgNjkuNTg3NyAyNjcuODc5IDY5LjMxNzkgMjY3Ljg3OSA2Ny4xMTgyIDI2Ni40NDggNjYuMDE4MyAyNjMuNTg2IDY2LjAxODNaTTI2My41NzYgODYuMDU0N0MyNjEuMDQ5IDg2LjA1NDcgMjU5Ljc4NiA4Ny4zMDA1IDI1OS43ODYgODkuNzkyMSAyNTkuNzg2IDkyLjI4MzcgMjYxLjA0OSA5My41Mjk1IDI2My41NzYgOTMuNTI5NSAyNjYuMTE2IDkzLjUyOTUgMjY3LjM4NyA5Mi4yODM3IDI2Ny4zODcgODkuNzkyMSAyNjcuMzg3IDg3LjMwMDUgMjY2LjExNiA4Ni4wNTQ3IDI2My41NzYgODYuMDU0N1oiIGZpbGw9IiNGRkU1MDAiIGZpbGwtcnVsZT0iZXZlbm9kZCIvPjwvZz48L3N2Zz4=) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* =============================================
   TEMPMAIL — 2024 Dark Glass / Aurora UI
   Fonts: Geist (display) + DM Mono (address)
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,300&family=DM+Mono:wght@400;500&display=swap');

:root {
    --bg: #09090b;
    --bg-elevated: #111114;
    --bg-card: rgba(255,255,255,0.04);
    --bg-card-hover: rgba(255,255,255,0.07);
    --glass: rgba(255,255,255,0.05);
    --glass-border: rgba(255,255,255,0.09);
    --glass-border-hover: rgba(255,255,255,0.18);
    --accent: #8b5cf6;
    --accent-2: #6366f1;
    --accent-glow: rgba(139,92,246,0.35);
    --accent-subtle: rgba(139,92,246,0.12);
    --accent-subtle2: rgba(99,102,241,0.08);
    --green: #22c55e;
    --green-subtle: rgba(34,197,94,0.12);
    --red: #f43f5e;
    --red-subtle: rgba(244,63,94,0.12);
    --amber: #f59e0b;
    --amber-subtle: rgba(245,158,11,0.12);
    --text-1: rgba(255,255,255,0.95);
    --text-2: rgba(255,255,255,0.55);
    --text-3: rgba(255,255,255,0.30);
    --text-4: rgba(255,255,255,0.15);
    --font-ui: 'DM Sans', system-ui, sans-serif;
    --font-mono: 'DM Mono', 'Fira Code', monospace;
    --r-sm: 6px;
    --r-md: 12px;
    --r-lg: 18px;
    --r-xl: 24px;
    --r-2xl: 32px;
    --r-full: 9999px;
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    color-scheme: dark;
}

body {
    font-family: var(--font-ui);
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-1);
    background: var(--bg);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

    /* ── AURORA BACKGROUND ── */
    body::before {
        content: '';
        position: fixed;
        inset: 0;
        background: radial-gradient(ellipse 80% 50% at 20% -10%, rgba(139,92,246,0.18) 0%, transparent 60%), radial-gradient(ellipse 60% 40% at 80% 110%, rgba(99,102,241,0.14) 0%, transparent 55%), radial-gradient(ellipse 40% 30% at 60% 50%, rgba(139,92,246,0.06) 0%, transparent 50%);
        pointer-events: none;
        z-index: 0;
    }

    /* ── NOISE TEXTURE ── */
    body::after {
        content: '';
        position: fixed;
        inset: 0;
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
        background-size: 200px 200px;
        pointer-events: none;
        z-index: 0;
        opacity: 0.6;
    }

/* ── SHELL ── */
.shell {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

/* ── HEADER ── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 200;
    border-bottom: 1px solid var(--glass-border);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    background: rgba(9,9,11,0.7);
}

.header-inner {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    text-decoration: none;
}

.logo-mark {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    box-shadow: 0 0 0 1px rgba(139,92,246,0.4), 0 4px 12px rgba(139,92,246,0.3);
}

.logo-name {
    font-size: 22px;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-1);
}

    .logo-name span {
        color: var(--accent);
    }

.header-badge {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-3);
    letter-spacing: 0.02em;
    padding: 3px 10px;
    border: 1px solid var(--glass-border);
    border-radius: var(--r-full);
    background: var(--glass);
}

/* ── MAIN ── */
.main-content {
    flex: 1;
    max-width: 860px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem 1.5rem 4rem;
}

.inbox-page {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* ── LOADING ── */
.boot-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    gap: 16px;
    animation: appear 0.4s var(--ease-out) both;
}

.boot-ring {
    width: 48px;
    height: 48px;
    position: relative;
}

    .boot-ring::before {
        content: '';
        position: absolute;
        inset: 0;
        border-radius: 50%;
        border: 2px solid var(--glass-border);
    }

    .boot-ring::after {
        content: '';
        position: absolute;
        inset: 0;
        border-radius: 50%;
        border: 2px solid transparent;
        border-top-color: var(--accent);
        animation: spin 0.8s linear infinite;
    }

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

.boot-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-2);
    letter-spacing: 0.01em;
}

/* ── GLASS CARD BASE ── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-xl);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    overflow: hidden;
    transition: border-color 180ms ease;
}

/* ── ADDRESS CARD ── */
.address-card {
    padding: 0;
    animation: appear 0.35s var(--ease-out) both;
}

@keyframes appear {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.address-top {
    padding: 1.5rem 1.5rem 1.25rem;
    position: relative;
}

    /* Glow orb behind the address */
    .address-top::before {
        content: '';
        position: absolute;
        width: 300px;
        height: 120px;
        background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        pointer-events: none;
        opacity: 0.5;
    }

.address-eyebrow {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-3);
    margin-bottom: 10px;
}

.live-dot {
    width: 6px;
    height: 6px;
    background: var(--green);
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(34,197,94,0.4);
    animation: sonar 2s ease-out infinite;
}

@keyframes sonar {
    0% {
        box-shadow: 0 0 0 0 rgba(34,197,94,0.4);
    }

    70% {
        box-shadow: 0 0 0 7px rgba(34,197,94,0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(34,197,94,0);
    }
}

.address-row {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-md);
    padding: 10px 12px;
    transition: border-color 150ms ease, box-shadow 150ms ease;
    position: relative;
    z-index: 1;
}

    .address-row:focus-within,
    .address-row.copied {
        border-color: rgba(139,92,246,0.5);
        box-shadow: 0 0 0 3px var(--accent-subtle);
    }

    .address-row.copied {
        border-color: rgba(34,197,94,0.45);
        box-shadow: 0 0 0 3px var(--green-subtle);
    }

.address-value {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-1);
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    letter-spacing: -0.01em;
}

.btn-copy {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-family: var(--font-ui);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-2);
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-sm);
    padding: 5px 11px;
    cursor: pointer;
    transition: all 150ms ease;
    letter-spacing: 0.01em;
    white-space: nowrap;
}

    .btn-copy:hover {
        color: var(--text-1);
        background: rgba(255,255,255,0.1);
        border-color: var(--glass-border-hover);
    }

    .btn-copy.copied {
        color: var(--green);
        border-color: rgba(34,197,94,0.3);
        background: var(--green-subtle);
    }

.address-bottom {
    padding: 10px 14px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    border-top: 1px solid var(--glass-border);
    background: rgba(0,0,0,0.15);
}

.address-chips {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 500;
    padding: 3px 9px;
    border-radius: var(--r-full);
    letter-spacing: 0.01em;
    border: 1px solid;
}

.chip-purple {
    color: #a78bfa;
    border-color: rgba(167,139,250,0.2);
    background: rgba(167,139,250,0.08);
}

.chip-green {
    color: #4ade80;
    border-color: rgba(74,222,128,0.2);
    background: rgba(74,222,128,0.08);
}

.chip-amber {
    color: #fbbf24;
    border-color: rgba(251,191,36,0.2);
    background: rgba(251,191,36,0.08);
    animation: blink-amber 1.5s ease-in-out infinite;
}

@keyframes blink-amber {
    0%, 100% {
        opacity: 1;
    }

    50% {
        opacity: 0.55;
    }
}

.btn-new-address {
    font-family: var(--font-ui);
    font-size: 12px;
    font-weight: 500;
    color: var(--text-3);
    background: none;
    border: 1px solid var(--glass-border);
    border-radius: var(--r-full);
    padding: 4px 12px;
    cursor: pointer;
    transition: all 150ms ease;
    letter-spacing: 0.01em;
}

    .btn-new-address:hover:not(:disabled) {
        color: var(--text-2);
        border-color: var(--glass-border-hover);
        background: var(--glass);
    }

    .btn-new-address:disabled {
        opacity: 0.35;
        cursor: not-allowed;
    }

/* ── WARNING SHEET ── */
.warning-sheet {
    margin: 0 14px 14px;
    background: rgba(245,158,11,0.06);
    border: 1px solid rgba(245,158,11,0.18);
    border-radius: var(--r-lg);
    padding: 14px 16px;
    animation: appear 0.18s var(--ease-out) both;
}

.warning-head {
    font-size: 12px;
    font-weight: 600;
    color: #fbbf24;
    margin-bottom: 5px;
}

.warning-body {
    font-size: 12px;
    color: rgba(251,191,36,0.7);
    line-height: 1.6;
    margin-bottom: 12px;
}

    .warning-body strong {
        color: #fbbf24;
    }

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

.btn-warn-confirm {
    font-family: var(--font-ui);
    font-size: 12px;
    font-weight: 600;
    background: var(--red);
    color: #fff;
    border: none;
    border-radius: var(--r-full);
    padding: 5px 14px;
    cursor: pointer;
    transition: all 150ms ease;
}

    .btn-warn-confirm:hover {
        background: #e11d48;
        transform: translateY(-1px);
    }

.btn-warn-cancel {
    font-family: var(--font-ui);
    font-size: 12px;
    font-weight: 500;
    background: none;
    color: rgba(251,191,36,0.7);
    border: 1px solid rgba(245,158,11,0.2);
    border-radius: var(--r-full);
    padding: 5px 14px;
    cursor: pointer;
    transition: all 150ms ease;
}

    .btn-warn-cancel:hover {
        color: #fbbf24;
        border-color: rgba(245,158,11,0.35);
    }

/* ── INBOX CARD ── */
.inbox-card {
    animation: appear 0.4s var(--ease-out) 0.07s both;
}

.inbox-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--glass-border);
}

.inbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-1);
    letter-spacing: -0.01em;
}

.count-badge {
    font-size: 10px;
    font-weight: 700;
    background: var(--accent-subtle);
    color: #a78bfa;
    border: 1px solid rgba(139,92,246,0.2);
    border-radius: var(--r-full);
    padding: 1px 7px;
    min-width: 20px;
    text-align: center;
}

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

.refresh-ts {
    font-size: 11px;
    color: var(--text-4);
}

.fetching-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-3);
}

.fetching-spinner {
    width: 12px;
    height: 12px;
    border: 1.5px solid var(--glass-border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.btn-default {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-family: var(--font-ui);
    font-size: 12px;
    font-weight: 500;
    color: var(--text-3);
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-full);
    padding: 4px 12px;
    cursor: pointer;
    transition: all 150ms ease;
}

    .btn-default:hover {
        color: var(--text-1);
        background: var(--glass);
        border-color: var(--glass-border-hover);
    }

/* ── EMPTY STATE ── */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 56px 24px;
    text-align: center;
}

.empty-icon-wrap {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: var(--accent-subtle);
    border: 1px solid rgba(139,92,246,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 16px;
}

.empty-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-2);
    margin-bottom: 5px;
    letter-spacing: -0.01em;
}

.empty-desc {
    font-size: 12px;
    color: var(--text-3);
    line-height: 1.7;
    max-width: 260px;
}

/* ── ERROR BANNER ── */
.error-strip {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 0;
    padding: 12px 16px;
    background: var(--red-subtle);
    border-bottom: 1px solid rgba(244,63,94,0.15);
}

.error-strip-icon {
    font-size: 13px;
    flex-shrink: 0;
    margin-top: 1px;
}

.error-strip-text {
    font-size: 12px;
    color: #fb7185;
    flex: 1;
    line-height: 1.6;
}

    .error-strip-text strong {
        color: #f43f5e;
        display: block;
        font-size: 12px;
        margin-bottom: 2px;
    }

.btn-retry {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-ui);
    font-size: 11px;
    font-weight: 600;
    background: var(--red);
    color: #fff;
    border: none;
    border-radius: var(--r-full);
    padding: 3px 10px;
    cursor: pointer;
    margin-top: 6px;
    transition: background 150ms;
}

    .btn-retry:hover {
        background: #e11d48;
    }

/* ── MESSAGE LIST ── */
.message-list {
    display: flex;
    flex-direction: column;
}

.msg-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--glass-border);
    cursor: pointer;
    transition: background 130ms ease;
    position: relative;
    overflow: hidden;
}

    .msg-row:last-child {
        border-bottom: none;
    }

    .msg-row:hover {
        background: var(--bg-card-hover);
    }

    /* Unread left glow bar */
    .msg-row.unread::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 2px;
        background: linear-gradient(to bottom, var(--accent), var(--accent-2));
    }

.msg-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-subtle), rgba(99,102,241,0.15));
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    color: #a78bfa;
    flex-shrink: 0;
    letter-spacing: 0;
}

.msg-content {
    flex: 1;
    min-width: 0;
}

.msg-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2px;
}

.msg-sender {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-1);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    letter-spacing: -0.01em;
}

.msg-row.read .msg-sender {
    font-weight: 400;
    color: var(--text-2);
}

.msg-when {
    font-size: 11px;
    color: var(--text-3);
    flex-shrink: 0;
    margin-left: 12px;
}

.msg-subject {
    font-size: 12px;
    color: var(--text-2);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.msg-row.unread .msg-subject {
    color: var(--text-1);
    font-weight: 500;
}

.msg-attach-note {
    font-size: 11px;
    color: var(--text-3);
    margin-top: 2px;
    display: flex;
    align-items: center;
    gap: 3px;
}

.unread-pip {
    width: 7px;
    height: 7px;
    background: var(--accent);
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 6px var(--accent-glow);
}

/* ── MESSAGE VIEWER ── */
.viewer-card {
    animation: appear 0.22s var(--ease-out) both;
}

.viewer-topbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--glass-border);
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-family: var(--font-ui);
    font-size: 12px;
    font-weight: 500;
    color: var(--text-3);
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-full);
    padding: 4px 12px;
    cursor: pointer;
    transition: all 150ms ease;
    flex-shrink: 0;
}

    .btn-back:hover {
        color: var(--text-1);
        background: var(--glass);
        border-color: var(--glass-border-hover);
    }

.viewer-subject-line {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-1);
    letter-spacing: -0.015em;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.viewer-meta {
    padding: 10px 16px;
    border-bottom: 1px solid var(--glass-border);
    background: rgba(0,0,0,0.15);
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.vmeta-row {
    display: flex;
    align-items: baseline;
    gap: 10px;
    font-size: 12px;
}

.vmeta-key {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--text-4);
    min-width: 40px;
    flex-shrink: 0;
}

.vmeta-val {
    color: var(--text-2);
    word-break: break-all;
}

    .vmeta-val.to-addr {
        color: var(--accent);
        font-family: var(--font-mono);
        font-size: 11px;
    }

.attach-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-sm);
    padding: 2px 8px;
    font-size: 11px;
    color: var(--text-2);
    margin: 1px 3px 1px 0;
}

.view-toggle {
    display: flex;
    gap: 4px;
    padding: 8px 16px;
    border-bottom: 1px solid var(--glass-border);
    background: rgba(0,0,0,0.08);
}

.toggle-btn {
    font-family: var(--font-ui);
    font-size: 11px;
    font-weight: 600;
    color: var(--text-3);
    background: none;
    border: 1px solid transparent;
    border-radius: var(--r-sm);
    padding: 4px 11px;
    cursor: pointer;
    transition: all 130ms ease;
    letter-spacing: 0.01em;
}

    .toggle-btn:hover:not(:disabled) {
        color: var(--text-2);
        background: var(--glass);
    }

    .toggle-btn.on {
        color: var(--text-1);
        background: var(--accent-subtle);
        border-color: rgba(139,92,246,0.25);
    }

    .toggle-btn:disabled {
        opacity: 0.25;
        cursor: not-allowed;
    }

.viewer-body {
    padding: 20px;
}

.html-frame {
    width: 100%;
    min-height: 320px;
    max-height: 80vh;
    border: 1px solid var(--glass-border);
    border-radius: var(--r-md);
    background: #fff;
}

.plain-body {
    font-family: var(--font-mono);
    font-size: 12.5px;
    color: var(--text-2);
    white-space: pre-wrap;
    word-break: break-word;
    line-height: 1.8;
    background: rgba(255,255,255,0.025);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-md);
    padding: 16px 20px;
}

/* ── FOOTER ── */
.site-footer {
    border-top: 1px solid var(--glass-border);
    padding: 14px 24px;
    text-align: center;
    font-size: 16px;
    color: var(--text-4);
    background: rgba(9,9,11,0.6);
    backdrop-filter: blur(12px);
    position: relative;
    z-index: 1;
    letter-spacing: 0.01em;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar {
    width: 5px;
}

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

::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.08);
    border-radius: 99px;
}

    ::-webkit-scrollbar-thumb:hover {
        background: rgba(255,255,255,0.14);
    }

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
    .header-inner {
        padding: 0 1rem;
    }

    .main-content {
        padding: 1rem 0.75rem 3rem;
    }

    .address-top {
        padding: 1.25rem 1.25rem 1rem;
    }

    .address-bottom {
        padding: 8px 12px 12px;
    }

    .msg-row {
        padding: 11px 12px;
    }

    .msg-avatar {
        display: none;
    }

    .viewer-topbar {
        flex-wrap: wrap;
        gap: 8px;
    }

    .viewer-body {
        padding: 14px;
    }
}

/* ── LOGIN FORM ──────────────────────────────────────────────────────────── */

.login-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.login-card {
    width: 100%;
    max-width: 380px;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-xl);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    overflow: hidden;
    animation: appear 0.3s var(--ease-out) both;
}

.login-header {
    padding: 1.75rem 1.75rem 1.25rem;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.login-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-1);
    letter-spacing: -0.02em;
}

.login-subtitle {
    font-size: 12px;
    color: var(--text-3);
    font-weight: 400;
}

.login-body {
    padding: 1.5rem 1.75rem 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* ── Field group ── */
.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.field-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-2);
    letter-spacing: 0.01em;
}

.field-input {
    width: 100%;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-md);
    padding: 9px 12px;
    font-family: var(--font-ui);
    font-size: 13px;
    font-weight: 400;
    color: var(--text-1);
    outline: none;
    transition: border-color 150ms ease, box-shadow 150ms ease, background 150ms ease;
    -webkit-appearance: none;
}

    .field-input::placeholder {
        color: var(--text-4);
    }

    .field-input:hover {
        border-color: var(--glass-border-hover);
        background: rgba(255,255,255,0.06);
    }

    .field-input:focus {
        border-color: rgba(139,92,246,0.55);
        box-shadow: 0 0 0 3px var(--accent-subtle);
        background: rgba(255,255,255,0.06);
    }

    /* Error state */
    .field-input.is-error {
        border-color: rgba(244,63,94,0.5);
        box-shadow: 0 0 0 3px var(--red-subtle);
    }

.field-error {
    font-size: 11px;
    color: var(--red);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Input with icon inside (e.g. lock icon on password) */
.field-input-wrap {
    position: relative;
}

    .field-input-wrap .field-input {
        padding-right: 38px;
    }

.field-input-icon {
    position: absolute;
    right: 11px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-4);
    font-size: 14px;
    cursor: pointer;
    transition: color 150ms ease;
    user-select: none;
    line-height: 1;
}

    .field-input-icon:hover {
        color: var(--text-2);
    }

/* ── Row for "Remember me" + "Forgot password" ── */
.login-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* ── Checkbox ── */
.checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-2);
    user-select: none;
}

    .checkbox-label input[type="checkbox"] {
        appearance: none;
        -webkit-appearance: none;
        width: 15px;
        height: 15px;
        border: 1px solid var(--glass-border);
        border-radius: 4px;
        background: rgba(255,255,255,0.04);
        cursor: pointer;
        display: grid;
        place-items: center;
        flex-shrink: 0;
        transition: border-color 150ms, background 150ms, box-shadow 150ms;
    }

        .checkbox-label input[type="checkbox"]:hover {
            border-color: var(--glass-border-hover);
            background: rgba(255,255,255,0.08);
        }

        .checkbox-label input[type="checkbox"]:checked {
            background: var(--accent);
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-subtle);
        }

            .checkbox-label input[type="checkbox"]:checked::after {
                content: '';
                width: 4px;
                height: 7px;
                border: 1.5px solid #fff;
                border-top: none;
                border-left: none;
                transform: rotate(45deg) translateY(-1px);
            }

/* ── Forgot link ── */
.login-link {
    font-size: 12px;
    font-weight: 500;
    color: var(--accent);
    text-decoration: none;
    transition: color 150ms;
}

    .login-link:hover {
        color: #a78bfa;
    }

/* ── Submit button ── */
.btn-login {
    width: 100%;
    padding: 10px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--r-md);
    font-family: var(--font-ui);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: background 150ms ease, box-shadow 150ms ease, transform 150ms ease;
    box-shadow: 0 2px 12px rgba(139,92,246,0.35);
    margin-top: 4px;
}

    .btn-login:hover {
        background: #7c3aed;
        box-shadow: 0 4px 20px rgba(139,92,246,0.5);
        transform: translateY(-1px);
    }

    .btn-login:active {
        transform: translateY(0);
    }

    .btn-login:disabled {
        opacity: 0.45;
        cursor: not-allowed;
        transform: none;
        box-shadow: none;
    }

/* ── Divider ── */
.login-divider {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 11px;
    color: var(--text-4);
    font-weight: 500;
}

    .login-divider::before,
    .login-divider::after {
        content: '';
        flex: 1;
        height: 1px;
        background: var(--glass-border);
    }

/* ── OAuth / SSO button ── */
.btn-oauth {
    width: 100%;
    padding: 9px 12px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-md);
    font-family: var(--font-ui);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-2);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 150ms ease;
    text-decoration: none;
}

    .btn-oauth:hover {
        background: rgba(255,255,255,0.08);
        border-color: var(--glass-border-hover);
        color: var(--text-1);
    }

.btn-oauth-icon {
    font-size: 16px;
    line-height: 1;
}

/* ── Footer link ── */
.login-footer {
    padding: 1rem 1.75rem;
    border-top: 1px solid var(--glass-border);
    text-align: center;
    font-size: 12px;
    color: var(--text-3);
}

    .login-footer a {
        color: var(--accent);
        text-decoration: none;
        font-weight: 500;
        transition: color 150ms;
    }

        .login-footer a:hover {
            color: #a78bfa;
        }

/* Alert banner inside card (wrong password etc.) */
.login-alert {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 10px 12px;
    background: var(--red-subtle);
    border: 1px solid rgba(244,63,94,0.2);
    border-radius: var(--r-md);
    font-size: 12px;
    color: #fb7185;
    line-height: 1.5;
    animation: appear 0.18s var(--ease-out) both;
}

.login-alert-icon {
    flex-shrink: 0;
    font-size: 13px;
    margin-top: 1px;
}