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

:root {
  --bg: #0a0a0b;
  --surface: #111113;
  --surface2: #1a1a1e;
  --border: #ffffff0f;
  --text: #e8e8ea;
  --muted: #6b6b75;
  --accent: #ff3b5c;
  --accent2: #ff8c42;
  --font-mono: monospace, monospace;
  --font-sans:
    system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Helvetica,
    Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Lock Screen ── */
#lock-screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  visibility: hidden;
  justify-content: center;
  background: var(--bg);
  z-index: 100;
  transition:
    opacity 0.5s,
    visibility 0.5s;
}
#lock-screen.visible {
  opacity: 1;
  visibility: visible;
}
#lock-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.lock-card {
  width: 360px;
  padding: 30px 30px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  position: relative;
  overflow: hidden;
}
.lock-card::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, #ff3b5c22, transparent 70%);
  pointer-events: none;
}

.lock-logo {
  font-family: var(--font-mono);
  font-size: 5vmax;
  text-align: center;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
}

.lock-title {
  font-size: 24px;
  font-weight: 300;
  color: var(--text);
  margin-bottom: 8px;
}
.lock-sub {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 36px;
  line-height: 1.6;
}

.otp-inputs {
  display: flex;
  gap: 8px;
  margin-bottom: 28px;
  justify-content: space-between;
}
.otp-inputs input {
  width: 100%;
  height: 52px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 400;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  outline: none;
  caret-color: var(--accent);
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
}
.otp-inputs input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px #ff3b5c18;
}
.otp-inputs input.filled {
  border-color: #ffffff22;
}

.btn-verify {
  width: 100%;
  height: 48px;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  color: #fff;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition:
    opacity 0.2s,
    transform 0.1s;
  position: relative;
  overflow: hidden;
}
.btn-verify:hover {
  opacity: 0.9;
}
.btn-verify:active {
  transform: scale(0.98);
}
.btn-verify:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.lock-error {
  margin-top: 16px;
  font-size: 12px;
  color: var(--accent);
  font-family: var(--font-mono);
  text-align: center;
  min-height: 16px;
}

.setup-link {
  display: block;
  text-align: center;
  margin-top: 24px;
  font-size: 12px;
  color: var(--muted);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.setup-link:hover {
  color: var(--text);
}

/* QR Setup Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: #000000cc;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.3s,
    visibility 0.3s;
}
.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  width: 340px;
  text-align: center;
}
.modal h2 {
  font-size: 18px;
  font-weight: 300;
  margin-bottom: 8px;
}
.modal p {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 24px;
  line-height: 1.6;
}
.modal img {
  width: 180px;
  height: 180px;
  border-radius: 8px;
  margin-bottom: 16px;
}
.modal .secret {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.1em;
  word-break: break-all;
  margin-bottom: 24px;
}
.modal button {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 24px;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 13px;
}
.modal button:hover {
  border-color: #ffffff22;
}

/* ── Main App ── */
#app {
  display: none;
  min-height: 100vh;
  transition:
    opacity 0.5s 1s,
    visibility 0.5s 1s;
}
#app.visible {
  display: block;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 60px;
  background: #0a0a0bcc;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 20px;
}

.topbar-logo {
  font-size: 20px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  white-space: nowrap;
}

.search-wrap {
  flex: 1;
  max-width: 480px;
  position: relative;
}
.search-wrap svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
}
.search-wrap input {
  width: 100%;
  height: 36px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0 12px 0 36px;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
}
.search-wrap input:focus {
  border-color: #ffffff22;
}
.search-wrap input::placeholder {
  color: var(--muted);
}

.topbar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 16px;
}
#count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}
.btn-logout {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  font-size: 12px;
  padding: 6px 12px;
  cursor: pointer;
  font-family: var(--font-sans);
  transition:
    color 0.2s,
    border-color 0.2s;
}
.btn-logout:hover {
  color: var(--text);
  border-color: #ffffff22;
}

/* ── Grid ── */
.grid-container {
  padding: 24px;
}
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.video-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition:
    transform 0.2s,
    border-color 0.2s,
    box-shadow 0.2s;
  animation: fadeUp 0.3s ease both;
}
.video-card:hover {
  transform: translateY(-4px);
  border-color: #ffffff18;
  box-shadow: 0 12px 40px #00000060;
}
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card-thumb {
  aspect-ratio: 9/16;
  background: var(--surface2);
  overflow: hidden;
  position: relative;
}
.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.video-card:hover .card-thumb img {
  transform: scale(1.04);
}
.thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
}
.play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #00000040;
  opacity: 0;
  transition: opacity 0.2s;
}
.video-card:hover .play-overlay {
  opacity: 1;
}
.play-circle {
  width: 48px;
  height: 48px;
  background: #ffffffcc;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.play-circle svg {
  margin-left: 3px;
}

.card-info {
  padding: 12px 14px;
}
.card-user {
  font-size: 12px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 4px;
}
.card-caption {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-meta {
  display: flex;
  gap: 12px;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
}

.empty-state {
  grid-column: 1/-1;
  padding: 80px 20px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}
.empty-state svg {
  margin-bottom: 16px;
  opacity: 0.3;
}

.load-more {
  display: flex;
  justify-content: center;
  padding: 32px;
}
.btn-load {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--muted);
  padding: 10px 28px;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 13px;
  transition:
    color 0.2s,
    border-color 0.2s;
}
.btn-load:hover {
  color: var(--text);
  border-color: #ffffff22;
}

/* ── Player Modal ── */
#player-modal {
  position: fixed;
  inset: 0;
  background: #000000ee;
  z-index: 150;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.25s,
    visibility 0.25s;
}
#player-modal.open {
  opacity: 1;
  visibility: visible;
}

.player-inner {
  position: relative;
  width: min(400px, 90vw);
  max-height: 90vh;
  background: var(--surface);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.player-video-wrap {
  aspect-ratio: 9/16;
  background: #000;
  max-height: 70vh;
  width: 100%;
  overflow: hidden;
}
.player-video-wrap video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.player-info {
  padding: 16px 18px 20px;
}
.player-user {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
}
.player-caption {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
  max-height: 80px;
  overflow-y: auto;
}
.player-meta {
  display: flex;
  gap: 16px;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
}

.player-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  background: #000000aa;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #fff;
  transition: background 0.2s;
}
.player-close:hover {
  background: var(--accent);
}

.player-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  gap: 8px;
  pointer-events: none;
}
.player-nav {
  width: 100%;
  justify-content: space-between;
  padding: 0 8px;
  pointer-events: none;
}
.nav-btn {
  width: 36px;
  height: 36px;
  background: #000000aa;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #fff;
  pointer-events: all;
  transition: background 0.2s;
}
.nav-btn:hover {
  background: #000000cc;
}

/* Loading spinner */
.spinner {
  width: 32px;
  height: 32px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

#loading-state {
  grid-column: 1/-1;
  display: flex;
  justify-content: center;
  padding: 60px;
}