:root {
  --ink: #26302a;
  --muted: #758078;
  --paper: #f4f7f1;
  --card: #ffffff;
  --line: #dce5dc;
  --accent: #ec6b4f;
  --accent-dark: #c94d35;
  --mint: #d7ead9;
  --surface: rgba(255,255,255,.72);
  --surface-strong: #ffffff;
  --soft-line: #edf1ec;
  --icon-bg: #fbe5dc;
  --upload-icon: #a8422f;
}

:root[data-theme="dark"] {
  --ink: #edf2ed;
  --muted: #9aa89e;
  --paper: #18201b;
  --card: #222c25;
  --line: #354339;
  --accent: #f07a5b;
  --accent-dark: #ff977b;
  --mint: #294335;
  --surface: rgba(34,44,37,.92);
  --surface-strong: #222c25;
  --soft-line: #2e3a31;
  --icon-bg: #493229;
  --upload-icon: #762e21;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: radial-gradient(circle at 12% 15%, #e1f0dd 0, transparent 31%), radial-gradient(circle at 90% 90%, #f8dfcf 0, transparent 29%), var(--paper); font-family: "DM Sans", sans-serif; transition: background .25s, color .25s; }
body.preview-open { overflow: hidden; }
:root[data-theme="dark"] body { background: radial-gradient(circle at 12% 15%, #27392b 0, transparent 31%), radial-gradient(circle at 90% 90%, #3d2822 0, transparent 29%), var(--paper); }
.shell { width: min(1120px, calc(100% - 56px)); min-height: 100vh; margin: auto; display: flex; flex-direction: column; animation: page-in .65s cubic-bezier(.2,.8,.2,1) both; }
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 28px 0; border-bottom: 1px solid var(--line); }
.brand { color: var(--ink); display: flex; align-items: center; gap: 10px; font-family: "Space Grotesk", sans-serif; font-size: 20px; font-weight: 700; text-decoration: none; letter-spacing: .2px; }
.brand-mark { display: grid; place-items: center; width: 29px; height: 29px; color: white; background: var(--accent); border-radius: 9px 9px 9px 2px; font-size: 16px; }
.theme-toggle { display: flex; align-items: center; gap: 8px; padding: 8px 0; color: var(--muted); border: 0; background: transparent; cursor: pointer; font: inherit; font-size: 12px; }.theme-icon { font-size: 17px; }
.hero { flex: 1; display: grid; grid-template-columns: 1.12fr .88fr; align-items: center; gap: 10%; padding: 72px 4% 92px; }
.eyebrow { margin: 0 0 18px; color: var(--accent-dark); font-size: 11px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3 { font-family: "Space Grotesk", sans-serif; }
h1 { margin: 0; font-size: clamp(48px, 6vw, 82px); line-height: .98; letter-spacing: -.04em; }
h1 em { color: var(--accent); font-style: normal; }
.lede { max-width: 390px; margin: 27px 0 0; color: var(--muted); font-size: 17px; line-height: 1.65; }
.auth-card { padding: 34px; background: var(--surface-strong); border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 24px 70px rgba(67, 82, 65, .1); }
.card-kicker { display: flex; align-items: center; gap: 9px; color: var(--accent-dark); font-size: 11px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.lock-icon { display: grid; place-items: center; width: 21px; height: 21px; color: white; background: var(--accent); border-radius: 50%; font-size: 8px; }
.auth-card h2 { margin: 26px 0 9px; font-size: 28px; letter-spacing: -.03em; }
.card-copy { margin: 0 0 27px; color: var(--muted); font-size: 14px; line-height: 1.6; }
label { display: block; margin-bottom: 8px; font-size: 12px; font-weight: 700; }
.input-wrap { display: flex; align-items: center; border: 1px solid var(--line); border-radius: 9px; background: var(--surface); transition: border-color .2s, box-shadow .2s; }
.input-wrap:focus-within { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(236,107,79,.12); }
input { width: 100%; min-width: 0; padding: 15px 14px; color: var(--ink); border: 0; outline: 0; background: transparent; font: inherit; }
.reveal { padding: 0 14px; color: var(--muted); border: 0; background: transparent; cursor: pointer; font: inherit; font-size: 12px; }
.primary-button { width: 100%; display: flex; align-items: center; justify-content: space-between; margin-top: 17px; padding: 16px 17px; color: white; border: 0; border-radius: 9px; background: var(--accent); cursor: pointer; font: inherit; font-weight: 700; transition: background .2s, transform .2s, box-shadow .2s; }
.primary-button:hover { background: var(--accent-dark); box-shadow: 0 10px 24px rgba(201,77,53,.2); transform: translateY(-2px); }
.form-message { min-height: 18px; margin: 13px 0 0; color: var(--accent-dark); font-size: 12px; }
footer { display: flex; justify-content: space-between; padding: 20px 0; border-top: 1px solid var(--line); }
.workspace { padding: 72px 4%; flex: 1; }.workspace-heading { display: flex; justify-content: space-between; align-items: end; }.workspace h2 { margin: 0 0 20px; font-size: 42px; letter-spacing: -.04em; }.heading-actions { display: flex; align-items: end; gap: 20px; }.storage-meter { width: 150px; margin-bottom: 2px; }.storage-label { display: flex; justify-content: space-between; margin-bottom: 7px; color: var(--muted); font-size: 11px; }.storage-label strong { color: var(--ink); font-size: 11px; }.meter-track { height: 5px; overflow: hidden; border-radius: 5px; background: var(--line); }.meter-track span { display: block; width: 0; height: 100%; border-radius: inherit; background: var(--accent); transition: width .4s ease; }.logout, .secondary-button { color: var(--muted); border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; background: transparent; cursor: pointer; font: inherit; transition: color .2s, border-color .2s, background .2s, transform .2s; }.logout:hover, .secondary-button:hover { color: var(--ink); border-color: var(--accent); background: var(--surface); transform: translateY(-1px); }.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin: 20px 0 8px; padding: 12px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }.toolbar-actions { display: flex; gap: 9px; }.secondary-button span { color: var(--accent); font-size: 18px; vertical-align: -1px; }.upload-button span { color: var(--upload-icon); font-size: 18px; vertical-align: -1px; }.upload-button { padding: 10px 14px; color: white; border-radius: 8px; background: var(--accent); cursor: pointer; font-size: 14px; font-weight: 700; transition: background .2s, transform .2s, box-shadow .2s; }.upload-button:hover { background: var(--accent-dark); box-shadow: 0 9px 20px rgba(201,77,53,.18); transform: translateY(-1px); }#file-upload { display: none; }.breadcrumbs { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; }.crumb { padding: 0; color: var(--muted); border: 0; background: transparent; cursor: pointer; font: inherit; transition: color .2s; }.crumb.active { color: var(--ink); font-weight: 700; }.dashboard-message { min-height: 20px; margin: 14px 0 4px; color: var(--accent-dark); font-size: 12px; }.file-list { overflow: visible; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }.file-row { min-height: 66px; display: grid; grid-template-columns: 38px minmax(0, 1fr) 100px 150px; align-items: center; gap: 12px; padding: 0 18px; border: 0; border-bottom: 1px solid var(--soft-line); background: transparent; color: var(--ink); font: inherit; text-align: left; animation: row-in .45s both; animation-delay: calc(var(--row-index, 0) * 45ms); transition: background .2s, transform .2s; }.file-row:last-child { border-bottom: 0; }.file-row:not(.parent-row):has(.row-arrow) { cursor: pointer; }.file-row:not(.parent-row):has(.row-arrow):hover, .parent-row:hover { background: var(--soft-line); transform: translateX(2px); }.parent-row { width: 100%; cursor: pointer; }.file-icon { display: grid; place-items: center; width: 30px; height: 30px; color: var(--accent-dark); border-radius: 8px; background: var(--icon-bg); font-size: 17px; transition: transform .25s; }.file-row:hover .file-icon { transform: scale(1.08) rotate(-3deg); }.file-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; }.file-size { color: var(--muted); font-size: 13px; }.file-actions { position: relative; display: flex; align-items: center; justify-content: flex-end; gap: 12px; }.download, .row-arrow { color: var(--accent-dark); font-size: 12px; font-weight: 700; text-decoration: none; transition: color .2s, transform .2s; }.download:hover { color: var(--accent); transform: translateX(2px); }.download span { font-size: 16px; margin-left: 5px; }.more-button { padding: 4px 7px; color: var(--muted); border: 0; border-radius: 5px; background: transparent; cursor: pointer; font-size: 19px; line-height: 1; transition: color .2s, background .2s, transform .2s; }.more-button:hover { color: var(--ink); background: var(--soft-line); transform: rotate(90deg); }.file-menu { position: absolute; z-index: 2; top: calc(100% + 5px); right: 0; display: grid; min-width: 165px; padding: 5px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface-strong); box-shadow: 0 12px 30px rgba(20, 30, 22, .15); opacity: 0; pointer-events: none; transform: translateY(-5px) scale(.98); transition: opacity .16s, transform .16s; }.file-menu.open { opacity: 1; pointer-events: auto; transform: none; }.file-menu.up { top: auto; bottom: calc(100% + 5px); transform: translateY(5px) scale(.98); }.file-menu.up.open { transform: none; }.file-menu button { padding: 9px 10px; color: var(--ink); border: 0; border-radius: 5px; background: transparent; cursor: pointer; font: inherit; font-size: 12px; text-align: left; }.file-menu button:hover { background: var(--soft-line); }.file-menu button[data-action="delete"] { color: var(--accent-dark); }.empty-state { display: grid; place-items: center; min-height: 260px; text-align: center; }.empty-state .upload-symbol { width: 44px; height: 44px; font-size: 22px; }.empty-state h3 { margin: 16px 0 5px; }.empty-state p { margin: 0; color: var(--muted); }
.previewable { cursor: pointer; }.file-row:has(.file-menu.open) { position: relative; z-index: 10; }.preview-backdrop { position: fixed; z-index: 20; inset: 0; display: grid; place-items: center; padding: 24px; background: rgba(19, 27, 21, .58); backdrop-filter: blur(8px); animation: preview-fade .2s ease both; }.preview-dialog { width: min(900px, 100%); max-height: min(820px, calc(100vh - 48px)); overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: var(--surface-strong); box-shadow: 0 24px 80px rgba(20, 30, 22, .3); animation: preview-rise .25s cubic-bezier(.2,.8,.2,1) both; }.preview-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--soft-line); }.preview-header h2 { overflow: hidden; margin: 0; text-overflow: ellipsis; white-space: nowrap; font-size: 18px; }.preview-close { padding: 4px 8px; color: var(--muted); border: 0; border-radius: 6px; background: transparent; cursor: pointer; font-size: 16px; }.preview-close:hover { color: var(--ink); background: var(--soft-line); }.preview-content { display: grid; place-items: center; min-height: 180px; max-height: calc(100vh - 135px); padding: 24px; overflow: auto; }.preview-content pre { width: 100%; margin: 0; color: var(--ink); font: 14px/1.65 "DM Sans", sans-serif; white-space: pre-wrap; overflow-wrap: anywhere; }.preview-image { max-width: 100%; max-height: calc(100vh - 190px); object-fit: contain; }.preview-video { width: 100%; max-height: calc(100vh - 190px); }.preview-audio { width: min(520px, 100%); }.preview-loading { color: var(--muted); }
[hidden] { display: none !important; }
@keyframes page-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes row-in { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: none; } }
@keyframes preview-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes preview-rise { from { opacity: 0; transform: translateY(12px) scale(.98); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; } }
@media (max-width: 720px) { .shell { width: min(100% - 34px, 560px); }.theme-label { display: none; }.hero { display: block; padding: 62px 0 74px; }.hero-copy { margin-bottom: 42px; } h1 { font-size: 54px; }.auth-card { padding: 27px 23px; } footer { gap: 12px; font-size: 9px; } .workspace { padding: 52px 0; }.workspace-heading { align-items: start; flex-direction: column; gap: 14px; }.heading-actions { width: 100%; justify-content: space-between; align-items: center; }.workspace h2 { font-size: 34px; }.toolbar { align-items: stretch; flex-direction: column; }.toolbar-actions { flex-wrap: wrap; }.file-row { grid-template-columns: 32px minmax(0, 1fr) 74px; gap: 8px; padding: 0 12px; }.file-actions { grid-column: 2 / 4; grid-row: 2; justify-self: start; margin: -11px 0 10px; }.file-row:has(.file-actions) { padding-top: 10px; min-height: 86px; }.file-size { text-align: right; }.file-actions .download { margin-right: auto; } }