:root {
  --c-bg: #06101c;
  --c-surface: #0b1929;
  --c-elevated: #101f34;
  --c-raised: #152640;
  --c-overlay: #1a2e4a;
  --c-border: rgba(0, 175, 210, 0.1);
  --c-border-strong: rgba(0, 175, 210, 0.26);
  --c-aqua: #00c8f5;
  --c-aqua-dim: rgba(0, 200, 245, 0.12);
  --c-teal: #30b0a8;
  --c-coral: #ff6e6e;
  --c-gold: #f5c640;
  --c-purple: #a07af8;
  --c-ok: #30b0a8;
  --c-warn: #f5c640;
  --c-err: #ff6e6e;
  --c-t1: #cce8f4;
  --c-t2: #7eabc0;
  --c-t3: #42677a;
  --c-inv: #06101c;
  --font-h: "Space Grotesk", system-ui, sans-serif;
  --font-b: "DM Sans", system-ui, sans-serif;
  --font-m: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --r-sm: 6px;
  --r: 9px;
  --r-lg: 14px;
  --r-xl: 22px;
  --shadow: 0 8px 36px rgba(0, 0, 0, 0.54), 0 0 0 1px rgba(0, 160, 200, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--c-bg);
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top center, rgba(0, 200, 245, 0.08), transparent 420px),
    radial-gradient(circle at 10% 20%, rgba(48, 176, 168, 0.06), transparent 300px),
    var(--c-bg);
  color: var(--c-t1);
  font-family: var(--font-b);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--c-aqua);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  letter-spacing: 0;
}

::selection {
  background: rgba(0, 200, 245, 0.22);
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 175, 210, 0.24);
  border-radius: 8px;
}

.page-shell {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

.bubble-field {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  opacity: 0.7;
}

.bubble-field span {
  position: absolute;
  bottom: -80px;
  width: var(--size);
  height: var(--size);
  left: var(--left);
  border: 1px solid rgba(0, 200, 245, 0.18);
  border-radius: 50%;
  background: rgba(0, 200, 245, 0.04);
  animation: bubble-up var(--time) linear infinite;
  animation-delay: var(--delay);
}

.glass {
  background: rgba(11, 25, 41, 0.78);
  border: 1px solid var(--c-border-strong);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.card {
  background: var(--c-elevated);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.28);
}

.top-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(18px, 4vw, 42px);
  background: rgba(6, 16, 28, 0.86);
  border-bottom: 1px solid var(--c-border);
  backdrop-filter: blur(16px);
}

.nav-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--c-t1);
  font-family: var(--font-h);
  font-weight: 700;
}

.main-wrap {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding-left: 16px;
  padding-right: 16px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: clamp(28px, 6vw, 76px);
  align-items: center;
  padding-top: clamp(50px, 8vw, 90px);
  padding-bottom: 56px;
}

.hero > * {
  min-width: 0;
}

.hero h1 {
  margin: 0;
  color: var(--c-t1);
  font-family: var(--font-h);
  font-size: clamp(40px, 7vw, 74px);
  line-height: 1.04;
  letter-spacing: 0;
}

.hero p {
  margin: 20px 0 0;
  color: var(--c-t2);
  max-width: 590px;
  font-size: 18px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--c-aqua), var(--c-teal));
  color: transparent;
  background-clip: text;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 32px;
}

.feature-grid > * {
  min-width: 0;
  max-width: 100%;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  padding: 8px 16px;
  border-radius: var(--r);
  border: 1px solid transparent;
  cursor: pointer;
  color: var(--c-t1);
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, opacity 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.52;
  transform: none;
}

.button-primary {
  background: var(--c-aqua);
  color: var(--c-inv);
  font-weight: 700;
}

.button-secondary {
  background: var(--c-aqua-dim);
  border-color: var(--c-border-strong);
  color: var(--c-aqua);
}

.button-ghost {
  background: transparent;
  border-color: var(--c-border);
  color: var(--c-t2);
}

.button-danger {
  background: rgba(255, 110, 110, 0.12);
  border-color: rgba(255, 110, 110, 0.32);
  color: var(--c-coral);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 22px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  border: 1px solid var(--c-border);
  color: var(--c-t2);
  background: rgba(255, 255, 255, 0.03);
}

.badge-aqua {
  color: var(--c-aqua);
  border-color: rgba(0, 200, 245, 0.25);
  background: rgba(0, 200, 245, 0.1);
}

.badge-teal {
  color: var(--c-teal);
  border-color: rgba(48, 176, 168, 0.3);
  background: rgba(48, 176, 168, 0.12);
}

.badge-coral {
  color: var(--c-coral);
  border-color: rgba(255, 110, 110, 0.34);
  background: rgba(255, 110, 110, 0.12);
}

.badge-gold {
  color: var(--c-gold);
  border-color: rgba(245, 198, 64, 0.32);
  background: rgba(245, 198, 64, 0.12);
}

.badge-purple {
  color: var(--c-purple);
  border-color: rgba(160, 122, 248, 0.34);
  background: rgba(160, 122, 248, 0.12);
}

.input,
.textarea,
.select {
  width: 100%;
  border: 1px solid var(--c-border-strong);
  border-radius: var(--r);
  background: var(--c-surface);
  color: var(--c-t1);
  padding: 10px 13px;
  outline: none;
}

.textarea {
  min-height: 120px;
  resize: vertical;
}

.input:focus,
.textarea:focus,
.select:focus {
  border-color: var(--c-aqua);
  box-shadow: 0 0 0 3px rgba(0, 200, 245, 0.12);
}

.otc-input {
  text-align: center;
  font-family: var(--font-m);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 0.28em;
}

.label {
  display: grid;
  gap: 6px;
  color: var(--c-t2);
  font-size: 13px;
  font-weight: 650;
}

.table-wrap {
  overflow: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.table th,
.table td {
  padding: 11px 14px;
  border-bottom: 1px solid rgba(0, 175, 210, 0.08);
  text-align: left;
  vertical-align: middle;
}

.table th {
  color: var(--c-t3);
  font-size: 11px;
  text-transform: uppercase;
  font-family: var(--font-h);
}

.chat-shell {
  display: grid;
  grid-template-columns: 268px minmax(0, 1fr) 320px;
  min-height: 100vh;
}

.chat-shell-right-closed {
  grid-template-columns: 268px minmax(0, 1fr);
}

.chat-sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--c-surface);
  border-right: 1px solid var(--c-border);
  overflow: hidden;
}

.chat-main {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.chat-thread {
  flex: 1;
  width: min(860px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 210px;
}

.composer-zone {
  position: fixed;
  left: calc(268px + (100vw - 268px - 320px) / 2);
  bottom: 18px;
  width: min(760px, calc(100vw - 268px - 320px - 44px));
  transform: translateX(-50%);
  z-index: 25;
}

.chat-shell-right-closed .composer-zone {
  left: calc(268px + (100vw - 268px) / 2);
  width: min(760px, calc(100vw - 268px - 44px));
}

.composer-fade {
  position: fixed;
  left: 268px;
  right: 320px;
  bottom: 0;
  height: 168px;
  pointer-events: none;
  background: linear-gradient(to top, var(--c-bg) 12%, rgba(6, 16, 28, 0.92) 44%, rgba(6, 16, 28, 0));
  z-index: 20;
}

.chat-shell-right-closed .composer-fade {
  right: 0;
}

.chat-right {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 14px;
  background: rgba(8, 19, 32, 0.82);
  border-left: 1px solid var(--c-border);
  backdrop-filter: blur(14px);
}

.composer-card {
  position: relative;
  overflow: visible;
  border-radius: 26px;
  background: var(--c-elevated);
  border: 1px solid var(--c-border-strong);
  box-shadow: 0 8px 34px rgba(0, 0, 0, 0.56), 0 0 0 1px rgba(0, 180, 220, 0.1);
}

.composer-input {
  display: block;
  width: 100%;
  min-height: 52px;
  max-height: 190px;
  border: 0;
  outline: 0;
  resize: none;
  background: transparent;
  color: var(--c-t1);
  padding: 15px 18px 4px;
}

.toolbar-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  min-width: 34px;
  height: 34px;
  padding: 0 9px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--c-t3);
  background: transparent;
  cursor: pointer;
}

.toolbar-button:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--c-t2);
}

.tool-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 27px;
  padding: 5px 9px;
  border-radius: 999px;
  color: var(--c-t2);
  background: rgba(0, 200, 245, 0.08);
  border: 1px solid rgba(0, 200, 245, 0.16);
  font-size: 12px;
}

.popover {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 0;
  right: 0;
  z-index: 40;
  overflow: hidden;
  background: var(--c-elevated);
  border: 1px solid var(--c-border-strong);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
}

.admin-shell {
  display: grid;
  grid-template-columns: 244px minmax(0, 1fr);
  min-height: 100vh;
}

.admin-nav {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
  background: var(--c-surface);
  border-right: 1px solid var(--c-border);
}

.admin-main {
  min-width: 0;
  padding: 30px clamp(20px, 4vw, 42px) 54px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.fish-swim {
  animation: swim 2.8s ease-in-out infinite;
}

.dot-pulse {
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes bubble-up {
  from {
    transform: translateY(0) scale(1);
    opacity: 0.7;
  }
  to {
    transform: translateY(-110vh) scale(0.42);
    opacity: 0;
  }
}

@keyframes swim {
  0%,
  100% {
    transform: translateX(0) rotate(0deg);
  }
  34% {
    transform: translateX(3px) rotate(1.4deg);
  }
  68% {
    transform: translateX(-3px) rotate(-1.2deg);
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.6;
    transform: scale(0.96);
  }
  50% {
    opacity: 1;
    transform: scale(1.04);
  }
}

@keyframes bounce-dot {
  0%,
  80%,
  100% {
    transform: translateY(0);
    opacity: 0.45;
  }
  40% {
    transform: translateY(-6px);
    opacity: 1;
  }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 44px;
  }

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

  .chat-shell-right-closed {
    grid-template-columns: 1fr;
  }

  .chat-sidebar {
    display: none;
  }

  .composer-zone {
    left: 50%;
    width: calc(100vw - 24px);
    bottom: 10px;
  }

  .composer-fade {
    left: 0;
    right: 0;
  }

  .chat-right {
    position: fixed;
    top: 68px;
    right: 10px;
    bottom: 112px;
    width: min(360px, calc(100vw - 20px));
    height: auto;
    z-index: 35;
    border: 1px solid var(--c-border-strong);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow);
  }

  .admin-shell {
    grid-template-columns: 1fr;
  }

  .admin-nav {
    position: relative;
    height: auto;
    display: block;
  }

  .two-col {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  body,
  .page-shell {
    overflow-x: hidden;
  }

  .main-wrap {
    padding-left: 16px;
    padding-right: 32px;
  }

  .top-nav {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 12px;
  }

  .nav-actions {
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
    max-width: none;
  }

  .nav-actions .button {
    min-height: 34px;
    padding: 7px 12px;
    font-size: 14px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid > * {
    width: calc(100% - 24px);
  }

  .hero p {
    max-width: 100%;
    overflow-wrap: break-word;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    transition-duration: 1ms !important;
  }
}