/* ShareDrop - Dark graphite design system
 * Palette: #090d12 / #111821 / #dce7f3 / #45c2ba
 * Type: Space Grotesk (display) + DM Sans (text)
 */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=DM+Sans:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --paper: #090d12;
    --paper-2: #111821;
    --panel: #151f2a;
    --panel-soft: #101720;
    --rule: #253241;
    --rule-strong: #405268;
    --ink: #edf5fc;
    --ink-2: #dce7f3;
    --ink-muted: #91a3b8;
    --accent: #45c2ba;
    --danger: #ff9b8d;
    --danger-bg: #301b1f;
    --success: #78d89a;
    --radius: 4px;
    --radius-lg: 8px;
    --shadow-sm: 0 1px 0 rgba(255,255,255,.03);
    --shadow-md: 0 28px 80px -36px rgba(0,0,0,.85), 0 2px 12px -4px rgba(0,0,0,.55);
    --font-display: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
    --font-body: 'DM Sans', ui-sans-serif, system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

a {
    color: var(--ink);
    text-decoration: none;
    border-bottom: 1px solid var(--rule-strong);
    transition: border-color .15s ease, color .15s ease;
}
a:hover { border-bottom-color: var(--ink); }

::selection { background: var(--ink); color: var(--paper); }

/* Layout shell */
.shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 40px;
    border-bottom: 1px solid var(--rule);
}
.topbar .logo {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 17px;
    letter-spacing: 0;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--ink);
    border: 0;
}
.topbar .logo-mark {
    width: 22px; height: 22px;
    border: 1.5px solid var(--ink);
    border-radius: 50%;
    position: relative;
    display: inline-block;
}
.topbar .logo-mark::after {
    content: "";
    position: absolute;
    inset: 4px;
    background: var(--ink);
    border-radius: 50%;
}
.topbar nav {
    display: flex; gap: 24px;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--ink-muted);
}
.topbar nav a { border: 0; color: var(--ink-muted); }
.topbar nav a:hover { color: var(--ink); }

.foot {
    border-top: 1px solid var(--rule);
    padding: 22px 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--ink-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
}
.foot a { border: 0; color: var(--ink-muted); }
.foot a:hover { color: var(--ink); }

/* Split-screen home */
.split {
    flex: 1;
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 0;
}
.split > * {
    padding: 80px 64px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.split .left {
    border-right: 1px solid var(--rule);
    position: relative;
}
.split .left::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--rule) 1px, transparent 1px),
        linear-gradient(90deg, var(--rule) 1px, transparent 1px);
    background-size: 64px 64px;
    background-position: -1px -1px;
    opacity: .25;
    pointer-events: none;
    mask-image: linear-gradient(180deg, transparent, black 30%, black 70%, transparent);
}
.split .left > * { position: relative; z-index: 1; }

.eyebrow {
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--ink-muted);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.eyebrow::before {
    content: "";
    width: 28px; height: 1px;
    background: var(--ink-muted);
    display: inline-block;
}

h1.display {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(40px, 5.2vw, 64px);
    line-height: 1.02;
    letter-spacing: 0;
    margin: 18px 0 20px;
    color: var(--ink);
}
h1.display em {
    font-family: 'Space Grotesk', serif;
    font-style: italic;
    font-weight: 400;
    color: var(--accent);
}

.lede {
    font-size: 17px;
    line-height: 1.55;
    color: var(--ink-2);
    max-width: 44ch;
    margin: 0 0 32px;
}

.meta-list {
    list-style: none;
    padding: 0;
    margin: 28px 0 0;
    border-top: 1px solid var(--rule);
}
.meta-list li {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 14px 0;
    border-bottom: 1px solid var(--rule);
    font-size: 14px;
}
.meta-list .k {
    font-family: var(--font-display);
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--ink);
}
.meta-list .v {
    color: var(--ink-muted);
    font-variant-numeric: tabular-nums;
}

/* Card / right column */
.split .right {
    background:
        linear-gradient(180deg, #0d141d, var(--paper));
}
.panel {
    background: var(--panel);
    border: 1px solid var(--rule);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-md);
    max-width: 460px;
    width: 100%;
    margin: 0 auto;
}
.panel h2 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 20px;
    letter-spacing: 0;
    margin: 0 0 4px;
}
.panel .panel-sub {
    color: var(--ink-muted);
    font-size: 14px;
    margin: 0 0 22px;
}

/* Dropzone */
.dropzone {
    position: relative;
    display: block;
    border: 1.5px dashed var(--rule-strong);
    border-radius: var(--radius-lg);
    padding: 44px 20px;
    text-align: center;
    cursor: pointer;
    background:
        repeating-linear-gradient(45deg, transparent 0 12px, rgba(255,255,255,.025) 12px 13px),
        var(--panel-soft);
    transition: border-color .2s ease, background .2s ease, transform .15s ease;
}
.dropzone:hover, .dropzone.is-drag {
    border-color: var(--accent);
    background: #13212c;
}
.dropzone:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}
.dropzone.is-drag { transform: scale(1.005); }
.dropzone .icon {
    width: 44px; height: 44px;
    margin: 0 auto 14px;
    border: 1.5px solid var(--accent);
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 18px;
    color: var(--accent);
}
.dropzone strong {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 16px;
    letter-spacing: 0;
}
.dropzone .hint {
    color: var(--ink-muted);
    font-size: 13px;
    margin-top: 6px;
}
.dropzone input[type=file] { display: none; }
#file-input,
#folder-input { display: none; }

.upload-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 12px;
}
.upload-actions .btn {
    justify-content: center;
    min-height: 44px;
    padding-inline: 12px;
    text-align: center;
}

/* Buttons */
.btn {
    appearance: none;
    border: 1px solid var(--accent);
    background: var(--accent);
    color: #071012;
    padding: 12px 20px;
    border-radius: var(--radius);
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 14px;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: background .15s ease, color .15s ease, transform .05s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn:hover { background: #66d6cf; border-color: #66d6cf; }
.btn:active { transform: translateY(1px); }
.btn.secondary {
    background: transparent;
    color: var(--ink);
}
.btn.secondary:hover { background: var(--ink); color: var(--paper); }
.btn.danger {
    background: transparent;
    color: var(--danger);
    border-color: var(--danger);
}
.btn.danger:hover { background: var(--danger); color: var(--paper); }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.btn.block { width: 100%; justify-content: center; }

/* Progress */
.progress {
    margin-top: 22px;
    height: 4px;
    background: var(--rule);
    border-radius: 999px;
    overflow: hidden;
    display: none;
}
.progress.is-active { display: block; }
.progress > span {
    display: block;
    height: 100%;
    width: 0%;
    background: var(--accent);
    transition: width .2s ease;
}

.upload-stats {
    min-height: 20px;
    margin-top: 8px;
    color: var(--ink-muted);
    font-family: var(--font-mono);
    font-size: 12px;
    font-variant-numeric: tabular-nums;
}

.upload-queue {
    display: none;
    margin-top: 14px;
    gap: 10px;
}
.upload-queue.is-active {
    display: grid;
}
.queue-item {
    border: 1px solid var(--rule);
    border-radius: var(--radius-lg);
    background: var(--panel-soft);
    padding: 12px;
}
.queue-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
}
.queue-name {
    min-width: 0;
    color: var(--ink);
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.queue-status {
    color: var(--ink-muted);
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
}
.queue-meta {
    margin-top: 3px;
    color: var(--ink-muted);
    font-family: var(--font-mono);
    font-size: 12px;
}
.queue-bar {
    height: 3px;
    margin-top: 9px;
    border-radius: 999px;
    overflow: hidden;
    background: var(--rule);
}
.queue-bar span {
    display: block;
    height: 100%;
    width: 0;
    background: var(--accent);
    transition: width .2s ease;
}
.queue-item.is-done .queue-status { color: var(--success); }
.queue-item.is-error .queue-status,
.queue-error { color: var(--danger); }
.queue-error {
    margin-top: 8px;
    font-size: 12px;
}

/* Result */
.result {
    margin-top: 24px;
    display: none;
    animation: rise .35s ease;
}
.result.is-active { display: block; }
@keyframes rise {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}
.result-label {
    font-family: var(--font-display);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--ink-muted);
    margin-bottom: 8px;
}
.result-list {
    display: grid;
    gap: 12px;
}
.result-item {
    border: 1px solid var(--rule);
    border-radius: var(--radius-lg);
    background: var(--panel-soft);
    padding: 12px;
}
.result-file {
    margin-bottom: 8px;
    color: var(--ink-2);
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 500;
    overflow-wrap: anywhere;
}
.share-row {
    display: flex;
    border: 1px solid var(--rule-strong);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--panel-soft);
}
.share-row input {
    flex: 1;
    border: 0;
    background: transparent;
    color: var(--ink);
    padding: 12px 14px;
    font-family: var(--font-mono);
    font-size: 13px;
    outline: none;
}
.share-row .btn {
    border: 0;
    border-left: 1px solid var(--rule-strong);
    border-radius: 0;
}
.upload-another {
    display: inline-block;
    margin-top: 14px;
    font-family: var(--font-display);
    font-size: 13px;
    letter-spacing: 0.02em;
    color: var(--ink-muted);
    border-bottom: 1px solid var(--rule-strong);
}
.upload-another:hover { color: var(--ink); }

/* Alert */
.alert {
    margin-top: 16px;
    padding: 12px 14px;
    border-radius: var(--radius);
    background: var(--danger-bg);
    color: var(--danger);
    border-left: 3px solid var(--danger);
    font-size: 14px;
    display: none;
}
.alert.is-active { display: block; }

/* Centered container (download, 404, admin) */
.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 56px 28px 80px;
}
.container.wide { max-width: 1040px; }

.card {
    background: var(--panel);
    border: 1px solid var(--rule);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
}

/* Download page */
.file-page {
    max-width: 1120px;
}
.file-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(320px, .8fr);
    gap: 22px;
    align-items: stretch;
}
.preview-card,
.file-card {
    min-width: 0;
}
.preview-card {
    padding: 20px;
}
.preview-frame {
    min-height: 360px;
    margin-top: 14px;
    border: 1px solid var(--rule);
    border-radius: var(--radius-lg);
    background: var(--panel-soft);
    display: grid;
    place-items: center;
    overflow: hidden;
}
.preview-frame img,
.preview-frame video,
.preview-frame iframe {
    width: 100%;
    height: 100%;
    min-height: 360px;
    border: 0;
    display: block;
}
.preview-frame img,
.preview-frame video {
    object-fit: contain;
}
.preview-frame audio {
    width: min(520px, 90%);
}
.preview-empty {
    min-height: 220px;
    padding: 28px;
    display: grid;
    place-items: center;
    gap: 8px;
    text-align: center;
    color: var(--ink-muted);
}
.preview-empty strong {
    color: var(--ink);
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 500;
}
.file-title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 28px;
    letter-spacing: 0;
    margin: 6px 0 4px;
    word-break: break-word;
    line-height: 1.15;
}
.file-sub {
    color: var(--ink-muted);
    font-size: 13px;
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 0.16em;
}
.meta-grid {
    display: grid;
    grid-template-columns: 130px 1fr;
    gap: 14px 24px;
    margin: 28px 0 32px;
    padding-top: 24px;
    border-top: 1px solid var(--rule);
    font-size: 14px;
}
.meta-grid dt {
    color: var(--ink-muted);
    font-family: var(--font-display);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 12px;
    padding-top: 2px;
}
.meta-grid dd {
    margin: 0;
    word-break: break-word;
    font-variant-numeric: tabular-nums;
}

/* Bundle page */
.bundle-card {
    max-width: 900px;
    margin: 0 auto;
}
.bundle-meta {
    grid-template-columns: 150px 1fr;
    margin-bottom: 24px;
}
.bundle-list {
    display: grid;
    gap: 10px;
    border-top: 1px solid var(--rule);
    padding-top: 18px;
}
.bundle-actions {
    display: flex;
    justify-content: flex-end;
    margin: -8px 0 18px;
}
.bundle-file {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 14px;
    padding: 14px;
    border: 1px solid var(--rule);
    border-radius: var(--radius-lg);
    background: var(--panel-soft);
}
.bundle-file-main {
    min-width: 0;
}
.bundle-file-name {
    color: var(--ink);
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 500;
    overflow-wrap: anywhere;
}
.bundle-file-meta {
    margin-top: 3px;
    color: var(--ink-muted);
    font-family: var(--font-mono);
    font-size: 12px;
}
.bundle-file-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}
.bundle-file-actions .btn {
    min-height: 38px;
    padding: 8px 14px;
    font-size: 12px;
}

/* 404 */
.center-404 {
    text-align: center;
    padding: 80px 20px 60px;
}
.center-404 .big {
    font-family: var(--font-display);
    font-size: clamp(96px, 18vw, 180px);
    font-weight: 500;
    letter-spacing: 0;
    line-height: .9;
    margin: 0 0 8px;
    color: var(--ink);
}
.center-404 h2 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 22px;
    letter-spacing: 0;
    margin: 18px 0 6px;
}
.center-404 p {
    color: var(--ink-muted);
    margin: 0 0 28px;
}

/* Legal pages */
.legal-page {
    max-width: 860px;
}
.legal-card {
    display: grid;
    gap: 18px;
}
.legal-card h2 {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 500;
    margin: 10px 0 -8px;
}
.legal-card p {
    color: var(--ink-2);
    margin: 0;
}
.legal-updated {
    color: var(--ink-muted) !important;
    font-size: 13px;
}

/* Admin table */
table.files {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
table.files th, table.files td {
    padding: 14px 12px;
    text-align: left;
    border-bottom: 1px solid var(--rule);
    vertical-align: middle;
}
table.files th {
    color: var(--ink-muted);
    font-family: var(--font-display);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 11px;
}
table.files tr:last-child td { border-bottom: 0; }
table.files tbody tr:hover { background: var(--panel-soft); }
table.files td a { border-bottom: 1px solid var(--rule-strong); }

.input {
    width: 100%;
    background: var(--panel-soft);
    border: 1px solid var(--rule-strong);
    color: var(--ink);
    border-radius: var(--radius);
    padding: 12px 14px;
    font-size: 14px;
    font-family: var(--font-body);
    outline: none;
    transition: border-color .15s ease;
}
.input:focus { border-color: var(--accent); }

.row { display: flex; gap: 12px; align-items: center; }

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 999px;
    background: transparent;
    border: 1px solid var(--rule-strong);
    color: var(--ink-2);
    font-family: var(--font-display);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    text-decoration: none;
}
.badge:hover { border-color: var(--accent); color: var(--ink); }

.section-title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 22px;
    letter-spacing: 0;
    margin: 0 0 4px;
}

/* Responsive */
@media (max-width: 960px) {
    .split { grid-template-columns: 1fr; }
    .file-hero { grid-template-columns: 1fr; }
    .split .left { border-right: 0; border-bottom: 1px solid var(--rule); }
    .split > * { padding: 56px 32px; }
    .topbar, .foot { padding: 18px 24px; }
}
@media (max-width: 560px) {
    .split > * { padding: 40px 22px; }
    .topbar { padding: 16px 18px; }
    .topbar nav { gap: 14px; font-size: 11px; }
    .foot { padding: 16px 18px; flex-direction: column; gap: 10px; text-align: center; }
    .container { padding: 36px 18px 56px; }
    .card, .panel { padding: 22px; }
    .meta-grid { grid-template-columns: 1fr; gap: 4px 0; padding-top: 18px; }
    .meta-grid dt { margin-top: 12px; }
    .file-title { font-size: 22px; }
    .bundle-file { grid-template-columns: 1fr; align-items: stretch; }
    .bundle-file-actions { justify-content: flex-start; flex-wrap: wrap; }
    .upload-actions { grid-template-columns: 1fr; }
    table.files th:nth-child(2), table.files td:nth-child(2) { display: none; }
}