:root {
  --sw-blue: #004990;
  --sw-deep-blue: #002a5c;
  --sw-card-blue: #063f82;
  --sw-red: #ec1c24;
  --sw-white: #ffffff;
  --sw-soft-white: #f4f8ff;
  --sw-shadow: rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--sw-white);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.12), transparent 35%),
    linear-gradient(135deg, #0060aa 0%, var(--sw-blue) 45%, #002b61 100%);
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

#app {
  min-height: 100vh;
}

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

.login-card {
  width: min(520px, 100%);
  padding: 32px;
  border-radius: 24px;
  text-align: center;
  background: rgba(0, 42, 92, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 24px 70px var(--sw-shadow);
}

.login-logo {
  width: min(320px, 82vw);
  max-height: 420px;
  object-fit: contain;
  margin: 0 auto 18px;
  display: block;
  filter: drop-shadow(0 14px 22px rgba(0, 0, 0, 0.35));
}

.login-copy h1,
.brand-copy h1 {
  margin: 0;
  color: var(--sw-white);
  font-size: clamp(30px, 5vw, 54px);
  line-height: 0.95;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.login-copy p,
.brand-copy p,
.video-card p,
.archive-details-card p {
  color: rgba(255, 255, 255, 0.86);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--sw-red) !important;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 12px;
}

.login-form {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

input[type="text"],
input[type="password"],
textarea {
  width: 100%;
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-radius: 14px;
  padding: 14px 16px;
  background: var(--sw-white);
  color: #111827;
  outline: none;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--sw-red);
  box-shadow: 0 0 0 4px rgba(236, 28, 36, 0.18);
}

.primary-button,
.secondary-button,
.nav-item,
.archive-item {
  border: 0;
}

.primary-button {
  background: var(--sw-red);
  color: var(--sw-white);
  border-radius: 999px;
  padding: 14px 22px;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(236, 28, 36, 0.35);
}

.secondary-button {
  margin: 22px 0 0;
  background: rgba(255, 255, 255, 0.12);
  color: var(--sw-white);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  padding: 12px 18px;
}

.demo-note,
.error-message {
  margin-top: 16px;
  font-size: 14px;
}

.error-message {
  color: #ffd6d9;
  font-weight: 700;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: center;
  gap: 10px;
  padding: 12px;
  background: rgba(0, 42, 92, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(12px);
}

.nav-item {
  color: var(--sw-white);
  background: transparent;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 800;
}

.nav-item.active,
.nav-item:hover {
  background: var(--sw-red);
}

.app-shell {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 28px 20px 50px;
}

.brand-header {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 24px;
  margin-bottom: 24px;
  border-radius: 26px;
  background: rgba(0, 42, 92, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 18px 55px rgba(0, 0, 0, 0.18);
}

.brand-logo {
  width: 180px;
  max-height: 220px;
  object-fit: contain;
  filter: drop-shadow(0 14px 22px rgba(0, 0, 0, 0.34));
}

.content-grid,
.archive-layout {
  display: grid;
  gap: 22px;
}

.live-grid {
  grid-template-columns: minmax(0, 1fr) 360px;
}

.video-card,
.chat-card,
.archive-list-card,
.archive-details-card {
  padding: 22px;
  border-radius: 24px;
  background: rgba(0, 42, 92, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.18);
}

.section-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.section-title-row h2,
.archive-list-card h2,
.archive-comments-block h3 {
  margin: 0;
  color: var(--sw-white);
  font-size: clamp(24px, 3vw, 38px);
}

.live-pill {
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  border-radius: 999px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.live-pill.on {
  background: var(--sw-red);
  color: var(--sw-white);
}

.live-pill.off {
  background: rgba(255, 255, 255, 0.18);
  color: var(--sw-white);
}

.video-shell {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 20px;
  background: #001a38;
  border: 3px solid rgba(255, 255, 255, 0.22);
}

.video-shell video {
  width: 100%;
  height: 100%;
  display: block;
  background: #001a38;
}

.video-note {
  margin: 12px 0 0;
  font-size: 13px;
}

.no-video {
  display: grid;
  place-items: center;
  min-height: 320px;
  border-radius: 20px;
  background: rgba(0, 26, 56, 0.75);
  border: 3px dashed rgba(255, 255, 255, 0.28);
  font-size: 22px;
  font-weight: 800;
}

.live-comment-list,
.archive-comment-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.live-comment-list {
  height: 360px;
  overflow-y: auto;
  padding-right: 4px;
}

.live-comment {
  display: flex;
  margin-bottom: 10px;
}

.comment-bubble {
  width: 100%;
  padding: 12px;
  border-radius: 16px 16px 16px 4px;
  background: rgba(255, 255, 255, 0.94);
  color: #111827;
}

.comment-user {
  font-weight: 900;
  color: var(--sw-blue);
}

.comment-time {
  margin-left: 8px;
  color: #6b7280;
  font-size: 12px;
}

.comment-bubble p,
.archive-comment p {
  margin: 7px 0 0;
}

.comment-form {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.archive-layout {
  grid-template-columns: 300px minmax(0, 1fr);
}

.archive-list {
  display: grid;
  gap: 10px;
}

.archive-item {
  width: 100%;
  display: grid;
  gap: 4px;
  text-align: left;
  padding: 14px;
  color: var(--sw-white);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.12);
}

.archive-item:hover {
  background: var(--sw-red);
}

.archive-item span {
  color: rgba(255, 255, 255, 0.76);
  font-size: 13px;
}

.archive-comments-block {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.archive-comment {
  margin-top: 12px;
  padding: 14px;
  border-radius: 16px;
  background: var(--sw-soft-white);
  color: #111827;
}

.comment-meta {
  color: #4b5563;
  font-size: 13px;
}

.empty-comments {
  padding: 14px;
  color: rgba(255, 255, 255, 0.75);
  background: rgba(255, 255, 255, 0.1);
  border-radius: 14px;
}

@media (max-width: 900px) {
  .live-grid,
  .archive-layout {
    grid-template-columns: 1fr;
  }

  .brand-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .brand-logo {
    width: 140px;
  }

  .live-comment-list {
    height: 260px;
  }
}

@media (max-width: 700px) {
  .brand-header {
    display: none;
  }

  .app-shell {
    padding-top: 18px;
  }
}

@media (max-width: 560px) {
  .login-card,
  .video-card,
  .chat-card,
  .archive-list-card,
  .archive-details-card {
    border-radius: 18px;
    padding: 18px;
  }

  .nav {
    gap: 4px;
  }

  .nav-item {
    flex: 1;
    padding: 12px 10px;
  }

  .login-logo {
    width: min(260px, 84vw);
  }
}