/* Vault — mobile-first PWA shell */
:root {
  --bg: #14181c;
  --bg-elev: #1c2228;
  --bg-soft: #242b33;
  --ink: #eef2f5;
  --ink-muted: #9aa7b2;
  --line: rgba(238, 242, 245, 0.1);
  --brass: #c4a574;
  --brass-deep: #a6854f;
  --ok: #6fbf8f;
  --warn: #d4a84b;
  --bad: #d17a6a;
  --radius: 14px;
  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --font-ui: "Avenir Next", "Segoe UI", ui-sans-serif, system-ui, sans-serif;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f3efe7;
    --bg-elev: #fffdf9;
    --bg-soft: #ebe4d8;
    --ink: #1c2228;
    --ink-muted: #5c6973;
    --line: rgba(28, 34, 40, 0.12);
    --shadow: 0 14px 32px rgba(28, 34, 40, 0.12);
    color-scheme: light;
  }
}

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

/* Author display rules must not defeat the hidden attribute (Safari/Chrome quirk). */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(196, 165, 116, 0.14), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(36, 43, 51, 0.9), transparent 50%),
    var(--bg);
  color: var(--ink);
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100dvh;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  border: 0;
}

.app {
  max-width: 720px;
  margin: 0 auto;
  min-height: 100dvh;
  padding: env(safe-area-inset-top) 1rem calc(1.5rem + env(safe-area-inset-bottom));
}

.brand {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 6vw, 2.4rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.btn {
  appearance: none;
  border: 0;
  border-radius: 999px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease, background 0.15s ease;
}

.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--brass);
  color: #1a1510;
  padding: 0.85rem 1.25rem;
  width: 100%;
}

.btn-ghost {
  background: transparent;
  color: var(--ink-muted);
  padding: 0.45rem 0.75rem;
}

.btn-action {
  flex: 1;
  background: var(--bg-soft);
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 0.95rem 1rem;
  text-align: center;
}

.btn-shutter {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--ink);
  border: 4px solid var(--brass);
}

/* Login */
.login-view {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  animation: rise 0.45s ease both;
}

.login-panel {
  width: min(100%, 360px);
  background: color-mix(in srgb, var(--bg-elev) 92%, transparent);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  padding: 2rem 1.4rem 1.6rem;
  box-shadow: var(--shadow);
}

.login-sub {
  margin: 0.35rem 0 1.5rem;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

#login-form {
  display: grid;
  gap: 0.75rem;
}

#password {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  font: inherit;
}

.form-error {
  margin: 0;
  color: var(--bad);
  font-size: 0.9rem;
}

/* Main */
.main-view {
  animation: rise 0.4s ease both;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0 1rem;
}

.search-wrap {
  position: relative;
  margin-bottom: 1rem;
}

#search {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--ink);
  border-radius: 16px;
  padding: 1rem 1.1rem;
  font: inherit;
  font-size: 1.05rem;
  box-shadow: var(--shadow);
}

#search:focus {
  outline: 2px solid color-mix(in srgb, var(--brass) 70%, transparent);
  outline-offset: 2px;
}

.search-results {
  position: absolute;
  z-index: 20;
  left: 0; right: 0;
  top: calc(100% + 0.45rem);
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  max-height: min(55dvh, 420px);
  overflow: auto;
  padding: 0.35rem;
}

.search-item {
  display: block;
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  padding: 0.85rem 0.9rem;
  border-radius: 10px;
  cursor: pointer;
}

.search-item:hover,
.search-item:focus-visible {
  background: var(--bg-soft);
  outline: none;
}

.search-item .title {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.search-item .snippet {
  color: var(--ink-muted);
  font-size: 0.9rem;
  line-height: 1.35;
}

.search-item b {
  color: var(--brass-deep);
  font-weight: 700;
}

.actions {
  display: flex;
  gap: 0.65rem;
  margin-bottom: 1.5rem;
}

.file-label { cursor: pointer; display: grid; place-items: center; }

.feed-title {
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 700;
}

.doc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.doc-item {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 0.85rem;
  align-items: center;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.75rem;
  animation: rise 0.35s ease both;
}

.doc-thumb {
  width: 56px;
  height: 56px;
  border-radius: 10px;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--brass) 35%, var(--bg-soft)), var(--bg-soft));
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.doc-meta { min-width: 0; }
.doc-name {
  margin: 0 0 0.2rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.doc-sub {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.82rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.28rem 0.6rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.badge-processing { background: color-mix(in srgb, var(--warn) 22%, transparent); color: var(--warn); }
.badge-indexed { background: color-mix(in srgb, var(--ok) 22%, transparent); color: var(--ok); }
.badge-failed { background: color-mix(in srgb, var(--bad) 22%, transparent); color: var(--bad); }

.feed-empty {
  color: var(--ink-muted);
  text-align: center;
  padding: 2rem 1rem;
}

.btn-icon {
  background: transparent;
  border: 0;
  color: var(--ink-muted);
  font: inherit;
  cursor: pointer;
  padding: 0.35rem;
}

/* Camera */
.camera-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: #000;
  display: grid;
  grid-template-rows: 1fr auto;
}

#camera-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.camera-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem calc(1rem + env(safe-area-inset-bottom));
  background: rgba(0,0,0,0.72);
}

.camera-spacer { width: 64px; }

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(1.25rem + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  background: var(--bg-elev);
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 0.75rem 1rem;
  border-radius: 999px;
  box-shadow: var(--shadow);
  z-index: 60;
  animation: rise 0.25s ease both;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (min-width: 720px) {
  .app { padding-top: 1.5rem; }
}