@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --primary: #7c5cff;
  --secondary: #2dd4bf;
  --dark: #0b1220;
  --light: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.6);
  --border: rgba(255,255,255,0.08);
  --glass: rgba(255,255,255,0.03);
  --shadow: 0 20px 60px rgba(0,0,0,0.4);
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--light);
  min-height: 100vh;
  overflow-x: hidden;
}

.layout {
  display: grid;
  grid-template-columns: 280px 1fr 380px;
  gap: 1rem;
  padding: 1rem;
  height: calc(100vh - 60px);
}

@media (max-width: 1024px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

.panel {
  background: linear-gradient(180deg, var(--glass), rgba(255,255,255,0.01));
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.panel-header {
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
  border-bottom: 1px solid var(--border);
  background: rgba(5,10,20,0.35);
}

.panel-body {
  flex: 1;
  padding: 1rem;
  overflow: auto;
  position: relative;
}

.empty-state {
  margin: 4rem auto 0;
  max-width: 520px;
  text-align: center;
  color: var(--muted);
}

.icon-box {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  border-radius: 1rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  background: var(--glass);
  font-size: 1.5rem;
}

.chat-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.message {
  border: 1px solid var(--border);
  background: var(--glass);
  border-radius: 0.875rem;
  padding: 0.75rem;
  max-width: 920px;
}

.message.user {
  align-self: flex-end;
  background: rgba(124,92,255,0.14);
  border-color: rgba(124,92,255,0.3);
}

.message.bot {
  align-self: flex-start;
}

.composer {
  border-top: 1px solid var(--border);
  padding: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(5,10,20,0.35);
}

.prompt-input {
  flex: 1;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 0.75rem;
  color: var(--light);
  outline: none;
}

.prompt-input::placeholder {
  color: var(--muted);
}

.icon-btn {
  width: 42px;
  height: 42px;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  background: var(--glass);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all 0.2s;
  color: var(--light);
}

.icon-btn:hover {
  background: rgba(255,255,255,0.06);
}

.send-btn {
  width: 42px;
  height: 42px;
  border-radius: 0.75rem;
  border: 1px solid rgba(45,212,191,0.45);
  background: rgba(45,212,191,0.14);
  cursor: pointer;
  color: var(--light);
  display: grid;
  place-items: center;
}

.send-btn:hover {
  background: rgba(45,212,191,0.2);
}

.tabs {
  display: flex;
  gap: 0.5rem;
}

.tab {
  border: 1px solid var(--border);
  background: var(--glass);
  color: var(--light);
  padding: 0.5rem 0.75rem;
  border-radius: 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.875rem;
}

.tab.active {
  border-color: rgba(45,212,191,0.45);
  background: rgba(45,212,191,0.12);
}

.code-block {
  margin-top: 0.75rem;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.35);
  border-radius: 0.75rem;
  overflow: hidden;
}

.code-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.75rem;
}

.copy-btn {
  border: 1px solid var(--border);
  background: var(--glass);
  color: var(--light);
  padding: 0.25rem 0.5rem;
  border-radius: 0.5rem;
  cursor: pointer;
  font-size: 0.75rem;
}

pre {
  margin: 0;
  padding: 0.75rem;
  overflow: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.9);
}

.gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.media-card {
  border: 1px solid var(--border);
  border-radius: 0.875rem;
  overflow: hidden;
  background: rgba(0,0,0,0.22);
}

.media-card img, 
.media-card video {
  width: 100%;
  display: block;
}

.media-caption {
  padding: 0.75rem;
  color: var(--muted);
  font-size: 0.875rem;
  border-top: 1px solid var(--border);
}

.preview-status {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  border: 1px dashed rgba(255,255,255,0.18);
  border-radius: 0.875rem;
  background: rgba(255,255,255,0.02);
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.warn-icon {
  width: 36px;
  height: 36px;
  border-radius: 0.75rem;
  display: grid;
  place-items: center;
  background: rgba(255,92,122,0.12);
  border: 1px solid rgba(255,92,122,0.22);
  color: rgba(255,255,255,0.9);
}