:root {
  --bg-1: #0c1016;
  --bg-2: #0f1a24;
  --bg-3: #1a2b3d;
  --ink: #f7f4ef;
  --muted: #c7c2ba;
  --accent: #f6b12b;
  --accent-2: #36b4a7;
  --line: rgba(247, 244, 239, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Playfair Display", "Times New Roman", serif;
  color: var(--ink);
  background: radial-gradient(1200px 700px at 80% -10%, rgba(54, 180, 167, 0.25), transparent 60%),
    radial-gradient(900px 600px at -10% 20%, rgba(246, 177, 43, 0.18), transparent 55%),
    linear-gradient(135deg, var(--bg-1), var(--bg-2) 45%, var(--bg-3));
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

.layout {
  display: flex;
  min-height: 100vh;
}

.page {
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 24px 72px;
}

.sidebar {
  width: 240px;
  padding: 28px 22px;
  background: rgba(12, 16, 22, 0.88);
  border-right: 1px solid var(--line);
  position: sticky;
  top: 0;
  height: 100vh;
}

.side-nav {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-family: "IBM Plex Sans", "Trebuchet MS", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
  color: var(--muted);
}

.side-nav a {
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
}

.side-nav a:hover {
  border-color: var(--line);
  color: var(--ink);
}

.page-title {
  font-size: 14px;
  font-family: "IBM Plex Sans", "Trebuchet MS", sans-serif;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-size: 20px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  gap: 18px;
  font-family: "IBM Plex Sans", "Trebuchet MS", sans-serif;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 36px;
  padding: 70px 0 40px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(38px, 5vw, 72px);
  line-height: 1.05;
  margin: 0 0 20px;
}

.hero p {
  font-family: "IBM Plex Sans", "Trebuchet MS", sans-serif;
  font-size: 18px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0 0 28px;
}

.cta-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  padding: 14px 22px;
  border-radius: 999px;
  font-family: "IBM Plex Sans", "Trebuchet MS", sans-serif;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  border: 1px solid transparent;
  background: rgba(12, 16, 22, 0.7);
  color: var(--ink);
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.btn.primary {
  background: var(--accent);
  color: #1b1408;
  box-shadow: 0 14px 30px rgba(246, 177, 43, 0.25);
}

.btn.ghost {
  border-color: var(--line);
  color: var(--ink);
  background: rgba(12, 16, 22, 0.6);
}

.btn:hover {
  transform: translateY(-2px);
}

.hero-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 26px;
  background: rgba(12, 16, 22, 0.5);
  backdrop-filter: blur(14px);
}

.stats {
  display: grid;
  gap: 14px;
}

.stat {
  display: flex;
  justify-content: space-between;
  font-family: "IBM Plex Sans", "Trebuchet MS", sans-serif;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}

.stat strong {
  color: var(--ink);
  letter-spacing: 0.16em;
}

.section-title {
  margin: 60px 0 20px;
  font-size: 28px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.card {
  padding: 20px 22px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(15, 26, 36, 0.7);
  min-height: 170px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card h3 {
  font-size: 20px;
  margin: 0;
}

.card p {
  font-family: "IBM Plex Sans", "Trebuchet MS", sans-serif;
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.muted {
  font-family: "IBM Plex Sans", "Trebuchet MS", sans-serif;
  color: var(--muted);
  font-size: 14px;
}

.strip {
  margin-top: 60px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
  padding: 26px 0;
  font-family: "IBM Plex Sans", "Trebuchet MS", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 12px;
  color: var(--muted);
}

.cta {
  margin-top: 70px;
  padding: 36px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: linear-gradient(120deg, rgba(246, 177, 43, 0.18), rgba(54, 180, 167, 0.18));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.cta h2 {
  font-size: 28px;
  margin: 0;
}

.footer {
  margin-top: 50px;
  font-family: "IBM Plex Sans", "Trebuchet MS", sans-serif;
  color: var(--muted);
  font-size: 14px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

@keyframes floatIn {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  animation: floatIn 0.9s ease forwards;
}

.delay-1 {
  animation-delay: 0.1s;
}

.delay-2 {
  animation-delay: 0.2s;
}

.delay-3 {
  animation-delay: 0.3s;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .layout {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    height: auto;
    position: static;
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .side-nav {
    flex-direction: row;
    flex-wrap: wrap;
  }

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

  .nav {
    flex-wrap: wrap;
  }
}

.section {
  padding: 50px 0 20px;
}

.chat-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) 260px;
  gap: 20px;
}

.chat-sidebar,
.chat-panel {
  background: rgba(15, 26, 36, 0.65);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 540px;
}

.chat-sidebar h2,
.chat-panel h2 {
  margin: 0;
  font-size: 18px;
}

.chat-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.chat-item {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  padding: 10px 12px;
  border-radius: 12px;
  text-align: left;
  font-family: "IBM Plex Sans", "Trebuchet MS", sans-serif;
  cursor: pointer;
  display: block;
}

.chat-item.active {
  background: rgba(246, 177, 43, 0.2);
  border-color: rgba(246, 177, 43, 0.4);
}

.chat-item-row {
  display: flex;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px 10px;
  background: transparent;
}

.chat-item-row.active {
  background: rgba(246, 177, 43, 0.2);
  border-color: rgba(246, 177, 43, 0.4);
}

.chat-item-link {
  flex: 1;
  font-family: "IBM Plex Sans", "Trebuchet MS", sans-serif;
  color: var(--ink);
}

.btn-xs {
  padding: 6px 10px;
  font-size: 11px;
  letter-spacing: 0.08em;
}

.chat-main {
  background: rgba(12, 16, 22, 0.5);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  min-height: 540px;
}

.chat-header {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
}

.chat-header h1 {
  margin: 0;
  font-size: 28px;
}

.chat-header p {
  margin: 8px 0 0;
  color: var(--muted);
  font-family: "IBM Plex Sans", "Trebuchet MS", sans-serif;
}

.model-pill {
  border: 1px solid var(--line);
  padding: 8px 12px;
  border-radius: 999px;
  font-family: "IBM Plex Sans", "Trebuchet MS", sans-serif;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.chat-thread {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 0;
  overflow-y: auto;
}

.bubble {
  max-width: 70%;
  padding: 12px 16px;
  border-radius: 16px;
  font-family: "IBM Plex Sans", "Trebuchet MS", sans-serif;
  line-height: 1.6;
}

.bubble.ai {
  background: rgba(54, 180, 167, 0.15);
  border: 1px solid rgba(54, 180, 167, 0.3);
  align-self: flex-start;
}

.bubble.user {
  background: rgba(246, 177, 43, 0.2);
  border: 1px solid rgba(246, 177, 43, 0.35);
  align-self: flex-end;
}

.chat-input {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
}

.chat-input textarea {
  min-height: 60px;
  resize: vertical;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(15, 26, 36, 0.8);
  color: var(--ink);
  padding: 12px;
  font-family: "IBM Plex Sans", "Trebuchet MS", sans-serif;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: "IBM Plex Sans", "Trebuchet MS", sans-serif;
  color: var(--muted);
}

.field select,
.field input[type="file"],
.field input[type="email"],
.field input[type="password"],
.field input[type="text"] {
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(12, 16, 22, 0.6);
  color: var(--ink);
  padding: 10px 12px;
}

.field input[type="range"] {
  width: 100%;
}

.full {
  width: 100%;
  text-align: center;
}

.auth {
  display: flex;
  justify-content: center;
  padding: 60px 0;
}

.auth-card {
  max-width: 420px;
  width: 100%;
  background: rgba(12, 16, 22, 0.6);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.auth-card h1 {
  margin: 0;
}

.auth-card p {
  margin: 0;
  color: var(--muted);
  font-family: "IBM Plex Sans", "Trebuchet MS", sans-serif;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.alert {
  padding: 12px 14px;
  border-radius: 12px;
  font-family: "IBM Plex Sans", "Trebuchet MS", sans-serif;
  border: 1px solid var(--line);
  background: rgba(246, 177, 43, 0.12);
}

.alert.error {
  border-color: rgba(246, 177, 43, 0.45);
}

.auth-footer {
  font-family: "IBM Plex Sans", "Trebuchet MS", sans-serif;
  color: var(--muted);
}

.dashboard-top {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  margin-bottom: 30px;
}

.token-card {
  background: rgba(246, 177, 43, 0.15);
  border: 1px solid rgba(246, 177, 43, 0.4);
  padding: 18px 20px;
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 220px;
}

.token-card span {
  font-family: "IBM Plex Sans", "Trebuchet MS", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
  color: var(--muted);
}

.token-card strong {
  font-size: 26px;
}

.link {
  font-family: "IBM Plex Sans", "Trebuchet MS", sans-serif;
  color: var(--accent);
}

.models-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}

.model-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.model-actions form {
  margin: 0;
}

.model-actions select {
  min-width: 160px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(12, 16, 22, 0.6);
  color: var(--ink);
  padding: 8px 12px;
}

.model-actions .switch {
  flex: 0 0 auto;
}

.media-preview {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  margin-top: 12px;
  max-height: 220px;
  object-fit: cover;
}

.media-toolbar {
  display: grid;
  gap: 20px;
  margin-bottom: 24px;
}

.media-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.switch {
  position: relative;
  width: 44px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch span {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(247, 244, 239, 0.2);
  border-radius: 999px;
  transition: 0.2s ease;
}

.switch span::before {
  content: "";
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  top: 3px;
  background: var(--ink);
  border-radius: 50%;
  transition: 0.2s ease;
}

.switch input:checked + span {
  background: rgba(54, 180, 167, 0.5);
}

.switch input:checked + span::before {
  transform: translateX(20px);
}

@media (max-width: 1100px) {
  .chat-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 800px) {
  .dashboard-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .chat-input {
    grid-template-columns: 1fr;
  }
}