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

html {
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

:root {
  --bg: #f8f7f4;
  --bg2: #ffffff;
  --bg3: #f0ede8;
  --border: #e2ddd7;
  --text: #1a1816;
  --muted: #8a8078;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --success: #16a34a;
  --success-bg: #f0fdf4;
  --warning-bg: #fffbeb;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .06);
  --shadow: 0 4px 12px rgba(0, 0, 0, .08), 0 2px 4px rgba(0, 0, 0, .05);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

/* ── Typography ─────────────────────────────────────────────────────────── */
h1,
h2,
h3 {
  font-weight: 600;
  letter-spacing: -.02em;
  line-height: 1.3;
}

h1 {
  font-size: 1.5rem;
}

h2 {
  font-size: 1.1rem;
  color: var(--text);
}

p {
  color: var(--muted);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

small {
  font-size: .8rem;
}

code {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: .82em;
  background: var(--bg3);
  padding: .1em .4em;
  border-radius: 4px;
  color: var(--text);
}

/* ── Topbar ─────────────────────────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  padding: 0 1.5rem;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar__brand {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-weight: 700;
  font-size: .95rem;
  color: var(--text);
  letter-spacing: -.01em;
}

.topbar__brand svg {
  color: var(--accent);
  flex-shrink: 0;
}

/* ── Layout ─────────────────────────────────────────────────────────────── */
.centered {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: var(--bg);
}

.admin-layout {
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* ── Card ───────────────────────────────────────────────────────────────── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.card--narrow {
  width: 100%;
  max-width: 380px;
}

.card h2 {
  margin-bottom: 1.25rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* ── Logo (login page) ──────────────────────────────────────────────────── */
.logo {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

/* ── Forms ──────────────────────────────────────────────────────────────── */
label {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: .35rem;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="datetime-local"] {
  display: block;
  width: 100%;
  padding: .55rem .8rem;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: .9rem;
  font-family: inherit;
  transition: border-color .15s, box-shadow .15s;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .1);
  background: var(--bg2);
}

input::placeholder {
  color: var(--muted);
  opacity: .6;
}

input[type="datetime-local"] {
  color-scheme: light;
}

.form-row {
  margin-bottom: 1rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .75rem;
  margin-bottom: 1.1rem;
}

@media (max-width: 900px) {
  .form-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

/* ── File Drop ──────────────────────────────────────────────────────────── */
.file-drop {
  position: relative;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: .75rem;
  cursor: pointer;
  transition: border-color .15s, background .15s;
  background: var(--bg);
}

.file-drop:hover,
.file-drop.drag-over {
  border-color: var(--accent);
  background: rgba(37, 99, 235, .03);
}

.file-drop input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
  padding: 0;
  border: none;
  background: transparent;
  display: block;
}

.file-drop__icon {
  color: var(--muted);
  flex-shrink: 0;
}

.file-drop__hint {
  font-size: .88rem;
  color: var(--muted);
}

.file-drop__name {
  font-size: .88rem;
  color: var(--accent);
  font-weight: 500;
}

/* ── Buttons ────────────────────────────────────────────────────────────── */
button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .35rem;
  padding: .5rem 1rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  font-size: .85rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background .12s, border-color .12s, color .12s, box-shadow .12s;
  line-height: 1;
}

/* Primary */
.btn--primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  padding: .6rem 1.25rem;
}

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

.btn--primary:active {
  transform: translateY(1px);
}

/* Ghost */
.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn--ghost:hover {
  background: var(--bg3);
  border-color: #ccc;
}

/* Icon ghost (table actions) */
.btn--icon {
  background: transparent;
  color: var(--muted);
  border-color: var(--border);
  padding: .38rem .55rem;
  font-size: .9rem;
  line-height: 1;
}

.btn--icon:hover {
  background: var(--bg3);
  color: var(--text);
}

/* Danger icon */
.btn--icon-danger {
  background: transparent;
  color: var(--danger);
  border-color: var(--border);
  padding: .38rem .55rem;
  font-size: .9rem;
}

.btn--icon-danger:hover {
  background: var(--danger-bg);
  border-color: var(--danger);
}

/* Small */
.btn--sm {
  padding: .35rem .7rem;
  font-size: .8rem;
}

/* Full width */
.btn--full {
  width: 100%;
  padding: .65rem;
  font-size: .95rem;
}

/* ── Alerts ─────────────────────────────────────────────────────────────── */
.alert {
  padding: .7rem .9rem;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
}

.alert--error {
  background: var(--danger-bg);
  border-color: #fecaca;
  color: var(--danger);
}

/* ── Table ──────────────────────────────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  margin: -.25rem;
  padding: .25rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
}

thead tr {
  border-bottom: 1.5px solid var(--border);
}

th {
  text-align: left;
  padding: .5rem .75rem;
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  white-space: nowrap;
}

td {
  padding: .75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  color: var(--text);
}

tbody tr:last-child td {
  border-bottom: none;
}

tbody tr:hover td {
  background: var(--bg);
}

.row--expired td {
  opacity: .45;
}

.nowrap {
  white-space: nowrap;
}

/* ── File Cell ──────────────────────────────────────────────────────────── */
.file-cell {
  display: flex;
  flex-direction: column;
  gap: .15rem;
}

.file-cell__name {
  max-width: 260px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 500;
  font-size: .875rem;
}

.file-cell__note {
  color: var(--muted);
  font-size: .77rem;
}

/* ── Pills ──────────────────────────────────────────────────────────────── */
.pill {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .2rem .55rem;
  border-radius: 20px;
  font-size: .75rem;
  font-weight: 500;
  white-space: nowrap;
}

.pill--lock {
  background: #eff6ff;
  color: #2563eb;
  border: 1px solid #bfdbfe;
}

.pill--open {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid #bbf7d0;
}

/* ── Badge ──────────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  background: var(--bg3);
  color: var(--muted);
  font-size: .72rem;
  font-weight: 600;
  padding: .15rem .5rem;
  border-radius: 20px;
}

/* ── Action Row (table) ─────────────────────────────────────────────────── */
.action-row {
  display: flex;
  align-items: center;
  gap: .35rem;
}

.action-row form {
  display: flex;
  margin: 0;
  padding: 0;
}

/* ── File Info (download page) ──────────────────────────────────────────── */
.file-info {
  display: flex;
  gap: .9rem;
  align-items: flex-start;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.file-icon {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: .1rem;
}

.file-info__name {
  font-weight: 600;
  word-break: break-all;
  font-size: .95rem;
}

.file-info__meta {
  color: var(--muted);
  font-size: .8rem;
  margin-top: .2rem;
}

/* ── Progress Bar ───────────────────────────────────────────────────────── */
.progress-bar {
  height: 3px;
  background: var(--bg3);
  border-radius: 99px;
  overflow: hidden;
  margin-top: 1rem;
}

.progress-bar__fill {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width .2s;
  border-radius: 99px;
}

/* ── Toast ──────────────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--text);
  color: #fff;
  padding: .65rem 1.1rem;
  border-radius: var(--radius);
  font-size: .875rem;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .2s, transform .2s;
  pointer-events: none;
  z-index: 200;
  max-width: 320px;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* ── Misc ───────────────────────────────────────────────────────────────── */
.empty-state {
  color: var(--muted);
  text-align: center;
  padding: 2.5rem 0;
  font-size: .9rem;
}

.text--muted {
  color: var(--muted);
}

.form-actions {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding-top: .25rem;
}

/* ── Upload section two-col layout on wide screens ──────────────────────── */
@media (min-width: 900px) {
  #upload-section form {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto auto;
    column-gap: 1.5rem;
    align-items: start;
  }

  .form-row {
    grid-column: 1 / -1;
  }

  .form-grid {
    grid-column: 1;
    grid-row: 2;
    margin-bottom: 0;
  }

  .form-actions {
    grid-column: 2;
    grid-row: 2;
    align-self: end;
  }

  #progress-bar {
    grid-column: 1 / -1;
  }
}