/* ============================================================
   pages.css — Shared styles for Utilities & Assistant pages.
   ============================================================ */

/* ============ PAGE LAYOUT ============ */
.page-main { padding-top: 80px; }
.page-hero {
  text-align: center; padding: 4rem 2rem 2rem;
  max-width: 800px; margin: 0 auto;
}
.page-title {
  font-family: var(--font-heading); font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800; letter-spacing: -0.02em; margin-bottom: 1rem;
}
.page-subtitle {
  color: var(--text-secondary); font-size: 1rem;
  line-height: 1.8; max-width: 600px; margin: 0 auto;
}
.hidden { display: none; }

/* ============ UTILITIES PAGE (empty state) ============ */
.utilities-section { padding: 2rem 2rem 6rem; }

.utilities-empty {
  max-width: 560px; margin: 2rem auto 0;
  text-align: center; padding: 3rem 2rem;
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
}
.utilities-empty-icon {
  width: 72px; height: 72px; margin: 0 auto 1.5rem;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; background: var(--gold-glow);
  border: 1px solid var(--border-gold);
  color: var(--gold-primary);
}
.utilities-empty-title {
  font-family: var(--font-heading); font-size: 1.4rem;
  font-weight: 700; margin-bottom: 0.8rem;
}
.utilities-empty-text {
  color: var(--text-secondary); font-size: 0.9rem;
  line-height: 1.7; margin-bottom: 1.8rem;
}
.utilities-empty-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px; border-radius: 50px;
  background: transparent; border: 1px solid var(--border-gold);
  color: var(--gold-primary); text-decoration: none;
  font-size: 0.82rem; font-weight: 600;
  transition: var(--transition);
}
.utilities-empty-cta:hover {
  background: var(--gold-glow); transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(201, 168, 76, 0.15);
}
.utilities-empty-cta svg { transition: var(--transition); }
.utilities-empty-cta:hover svg { transform: translateX(2px); }

/* ============ INTERFACE / CHAT PAGE ============ */
.interface-section {
  display: flex; flex-direction: column;
  min-height: calc(100vh - 80px);
  padding: 0;
}
.interface-section:has(.chat-container:not(.hidden)) {
  height: calc(100vh - 80px);
  overflow: hidden;
}

/* Setup Panel (shown when Ollama is not running) */
.chat-setup-panel {
  max-width: 600px; margin: auto; padding: 3rem;
  text-align: center;
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
}
.chat-setup-panel h2 {
  font-family: var(--font-heading); font-size: 1.6rem;
  font-weight: 700; margin-bottom: 1rem;
}
.chat-setup-panel p {
  color: var(--text-secondary); font-size: 0.88rem;
  line-height: 1.8; margin-bottom: 1.5rem;
}
.setup-status {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border-radius: 50px;
  font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.5px; text-transform: uppercase;
  margin-bottom: 2rem;
}
.setup-status.checking {
  background: rgba(241, 196, 15, 0.1); border: 1px solid rgba(241, 196, 15, 0.3);
  color: #f1c40f;
}
.setup-status.offline {
  background: rgba(231, 76, 60, 0.1); border: 1px solid rgba(231, 76, 60, 0.3);
  color: #e74c3c;
}
.setup-status.online {
  background: rgba(46, 204, 113, 0.1); border: 1px solid rgba(46, 204, 113, 0.3);
  color: #2ecc71;
}
.setup-status .status-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: currentColor; animation: pulse-dot 2s infinite;
}
.setup-steps { text-align: left; margin: 2rem 0; }
.setup-step {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--border-subtle);
}
.setup-step:last-child { border-bottom: none; }
.setup-step-num {
  flex-shrink: 0; width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; background: var(--gold-glow);
  border: 1px solid var(--border-gold);
  color: var(--gold-primary); font-size: 0.7rem; font-weight: 800;
  font-family: var(--font-heading);
}
.setup-step-text {
  color: var(--text-secondary); font-size: 0.82rem; line-height: 1.6;
}
.setup-step-text code {
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  background: rgba(201, 168, 76, 0.08); border: 1px solid var(--border-subtle);
  color: var(--gold-light); font-family: var(--font-body);
  font-size: 0.78rem; font-weight: 500;
}
.setup-retry-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 24px; border-radius: 50px;
  background: transparent; border: 1px solid var(--border-gold);
  color: var(--gold-primary); font-family: var(--font-body);
  font-size: 0.82rem; font-weight: 600; cursor: pointer;
  transition: var(--transition); margin-top: 1rem;
}
.setup-retry-btn:hover {
  background: var(--gold-glow); transform: translateY(-2px);
}

/* Chat Container */
.chat-container {
  display: flex; flex-direction: column;
  flex: 1; overflow: hidden;
}
.chat-messages {
  flex: 1; overflow-y: auto; padding: 2rem;
  display: flex; flex-direction: column; gap: 1rem;
  scrollbar-width: thin;
  scrollbar-color: var(--gold-dark) transparent;
}
.chat-messages::-webkit-scrollbar { width: 4px; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--gold-dark); border-radius: 2px; }

.chat-empty {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; flex: 1; gap: 1rem; opacity: 0.4;
}
.chat-empty svg { width: 48px; height: 48px; color: var(--gold-primary); }
.chat-empty p { color: var(--text-muted); font-size: 0.88rem; }

/* Message Bubbles */
.chat-bubble {
  max-width: 75%; padding: 1rem 1.4rem;
  border-radius: var(--radius-lg); font-size: 0.88rem;
  line-height: 1.7; word-wrap: break-word;
  animation: bubble-in 0.3s ease;
}
@keyframes bubble-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.chat-bubble-user {
  align-self: flex-end;
  background: rgba(201, 168, 76, 0.08);
  border: 1px solid var(--border-gold);
  color: var(--text-primary);
}
.chat-bubble-ai {
  align-self: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}
.chat-bubble-ai strong { color: var(--gold-primary); }
.chat-bubble-ai code {
  display: inline; padding: 1px 6px; border-radius: 4px;
  background: rgba(201, 168, 76, 0.06);
  font-family: var(--font-body); font-size: 0.82rem;
}
.chat-bubble-ai pre {
  margin: 0.8rem 0; padding: 1rem; border-radius: var(--radius-sm);
  background: var(--bg-secondary); overflow-x: auto;
  font-size: 0.8rem; line-height: 1.5;
}
.chat-bubble-ai pre code {
  padding: 0; background: none; border-radius: 0;
}

/* Typing Indicator */
.chat-typing {
  align-self: flex-start; display: flex; gap: 4px;
  padding: 1rem 1.4rem; border-radius: var(--radius-lg);
  background: var(--bg-card); border: 1px solid var(--border-subtle);
}
.chat-typing span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--text-muted);
  animation: typing-bounce 1.4s ease-in-out infinite;
}
.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.3; }
  30% { transform: translateY(-6px); opacity: 1; }
}

/* Input Bar */
.chat-input-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
}
.chat-attach-btn {
  flex-shrink: 0; width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted); cursor: pointer;
  transition: var(--transition);
}
.chat-attach-btn:hover {
  border-color: var(--gold-primary); color: var(--gold-primary);
  background: var(--gold-glow);
}
.chat-input {
  flex: 1; padding: 10px 16px;
  border-radius: var(--radius-md); border: 1px solid var(--border-subtle);
  background: var(--bg-card); color: var(--text-primary);
  font-family: var(--font-body); font-size: 0.88rem;
  outline: none; transition: var(--transition);
  resize: none; min-height: 42px; max-height: 120px;
}
.chat-input:focus { border-color: var(--gold-primary); }
.chat-input::placeholder { color: var(--text-muted); }
.chat-send-btn {
  flex-shrink: 0; width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; border: none;
  background: var(--gold-primary); color: var(--bg-primary);
  cursor: pointer; transition: var(--transition);
}
.chat-send-btn:hover:not(:disabled) {
  background: var(--gold-light); transform: scale(1.05);
}
.chat-send-btn:disabled { opacity: 0.3; cursor: not-allowed; }
.chat-send-btn svg { width: 18px; height: 18px; }

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
  .page-hero { padding: 3rem 1.2rem 1.5rem; }
  .chat-bubble { max-width: 90%; }
  .chat-input-bar { padding: 0.8rem 1rem; }
  .utilities-empty { padding: 2.2rem 1.4rem; }
}

/* ============ MEDIA PAGE ============ */
.media-section { padding: 2rem 2rem 6rem; }
.media-section--alt { background: var(--bg-secondary); }

/* Articles grid */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}
.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.article-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-gold);
  opacity: 0;
  transition: var(--transition);
}
.article-card:hover {
  border-color: var(--border-gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
}
.article-card:hover::before { opacity: 1; }

.article-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.article-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gold-primary);
  background: var(--gold-glow);
  border: 1px solid var(--border-gold);
  padding: 3px 10px;
  border-radius: 50px;
}
.article-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: normal;
}
.article-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-primary);
}
.article-excerpt {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}
.article-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 50px;
  border: 1px solid var(--border-gold);
  color: var(--gold-primary);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 600;
  align-self: flex-start;
  transition: var(--transition);
}
.article-cta--disabled {
  opacity: 0.45;
  cursor: default;
  pointer-events: none;
}

/* Visualiser panel */
.visualiser-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  max-width: 900px;
  margin: 1rem auto 0;
}
.visualiser-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.6rem;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(201, 168, 76, 0.04);
}
.visualiser-title {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
}
.visualiser-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gold-primary);
}
.visualiser-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold-primary);
  animation: pulse-dot 2s infinite;
}
.visualiser-body {
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.visualiser-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 3rem 2rem;
  text-align: center;
  color: var(--gold-primary);
}
.visualiser-placeholder-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============ SOLUTIONS PAGE ============ */
.solutions-section { padding: 2rem 2rem 6rem; }

/* ============ MEDIA + SOLUTIONS RESPONSIVE ============ */
@media (max-width: 768px) {
  .articles-grid { grid-template-columns: 1fr; }
  .visualiser-header { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
  .visualiser-body { min-height: 240px; }
}