:root {
  --ink: #171a20;
  --paper: #faf9f4;
  --mist: #eef1f0;
  --line: #d8dedb;
  --steel: #65717a;
  --blueprint: #2457a6;
  --copper: #a86432;
  --moss: #2f6b58;
  --danger: #a73434;
  --shadow: 0 18px 50px rgba(23, 26, 32, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.55;
}

button,
input,
textarea {
  font: inherit;
}

button,
a {
  touch-action: manipulation;
}

a {
  color: var(--blueprint);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--copper);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.watch-page {
  background:
    linear-gradient(90deg, rgba(23, 26, 32, 0.06) 1px, transparent 1px) 0 0 / 44px 44px,
    var(--paper);
}

.watch-shell {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 42px;
}

.admin-topbar h1,
.login-panel h1 {
  margin: 0;
  font-size: clamp(32px, 5vw, 64px);
  line-height: 1.02;
  font-weight: 850;
  letter-spacing: 0;
}

.screening-list {
  display: grid;
  gap: 24px;
}

.screening-card {
  display: grid;
  gap: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
}

.screening-header {
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

.screening-header h2 {
  margin: 0;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.18;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.screening-media video,
.video-preview video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 6px;
  background: #0c0f14;
}

.screening-description {
  margin: 0;
  color: #414951;
  white-space: pre-line;
  overflow-wrap: anywhere;
}

.public-footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto 24px;
  color: var(--steel);
  font-size: 13px;
  overflow-wrap: anywhere;
}

.empty-state,
.empty-admin {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 32px;
  background: rgba(255, 255, 255, 0.7);
}

.empty-state h2 {
  margin: 0 0 8px;
}

.admin-page {
  background: #f3f6f5;
}

.admin-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.admin-topbar {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.admin-topbar h1 {
  font-size: clamp(28px, 4vw, 46px);
}

.admin-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 22px;
  margin-top: 22px;
}

.admin-panel,
.login-panel,
.video-editor-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.admin-panel {
  padding: 22px;
}

.admin-panel h2,
.video-manager h2 {
  margin: 0 0 16px;
  font-size: 22px;
  letter-spacing: 0;
}

.form-stack,
.video-edit-form {
  display: grid;
  gap: 14px;
}

label span {
  display: block;
  margin-bottom: 6px;
  color: #3f4850;
  font-size: 14px;
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 11px 12px;
  background: #fff;
  color: var(--ink);
}

input:focus,
textarea:focus,
button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(36, 87, 166, 0.28);
  outline-offset: 2px;
}

textarea {
  resize: vertical;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.check-row input {
  width: 18px;
  height: 18px;
}

.check-row span {
  margin: 0;
}

.primary-button,
.ghost-button,
.danger-button {
  min-height: 42px;
  border: 0;
  border-radius: 6px;
  padding: 10px 16px;
  font-weight: 800;
  cursor: pointer;
}

.primary-button {
  background: var(--blueprint);
  color: #fff;
}

.primary-button:hover {
  background: #1d478a;
}

.primary-button.compact {
  justify-self: start;
}

.ghost-button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
}

.danger-button {
  background: var(--danger);
  color: #fff;
}

.field-note,
.meta-line {
  color: var(--steel);
  font-size: 13px;
}

.qr-panel {
  display: grid;
  align-content: start;
  gap: 14px;
}

.qr-code {
  width: 220px;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #fff;
}

.qr-panel a {
  overflow-wrap: anywhere;
  font-size: 14px;
}

.notice {
  margin-top: 18px;
  border-radius: 8px;
  padding: 12px 14px;
  font-weight: 700;
}

.notice.success {
  background: rgba(47, 107, 88, 0.12);
  color: var(--moss);
}

.notice.error {
  background: rgba(167, 52, 52, 0.12);
  color: var(--danger);
}

.video-manager {
  margin-top: 28px;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.section-heading span {
  color: var(--steel);
  font-weight: 700;
}

.video-editor-card {
  display: grid;
  grid-template-columns: minmax(260px, 360px) minmax(0, 1fr) 148px;
  gap: 18px;
  align-items: start;
  margin-top: 16px;
  padding: 16px;
}

.meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  overflow-wrap: anywhere;
}

.delete-form {
  display: grid;
  gap: 10px;
}

.danger-check {
  align-self: start;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(420px, 100%);
  padding: 28px;
}

.login-panel h1 {
  margin-bottom: 22px;
  font-size: 36px;
}

.login-panel p {
  color: var(--steel);
}

.primary-link {
  display: inline-flex;
  margin-top: 16px;
  font-weight: 800;
}

@media (max-width: 900px) {
  .admin-grid,
  .video-editor-card {
    grid-template-columns: 1fr;
  }

  .admin-topbar {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .watch-shell,
  .admin-shell,
  .public-footer {
    width: min(100% - 20px, 1120px);
  }

  .watch-shell,
  .admin-shell {
    padding-top: 18px;
  }

  .screening-card,
  .admin-panel,
  .login-panel,
  .video-editor-card {
    padding: 14px;
  }

  .admin-topbar h1 {
    font-size: 32px;
  }
}