frontend/src/pages/Pages.css

/* ═══════════════════════════════════════════════════
   Pages.css — Premium Data Platform Styles
   ═══════════════════════════════════════════════════ */

.page { animation: fadeIn .35s ease-out; }

.page-header { margin-bottom: 28px; }
.page-header h2 {
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -.02em;
  background: linear-gradient(135deg, var(--text) 60%, var(--accent-bright));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.page-header p {
  font-size: .82rem;
  color: var(--muted);
  margin-top: 6px;
  font-weight: 400;
}

/* ── Grid ── */
.cards-grid { display: grid; gap: 14px; margin-bottom: 18px; }
.cards-4 { grid-template-columns: repeat(4, 1fr); }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cards-2 { grid-template-columns: repeat(2, 1fr); }

/* ── Card ── */
.card {
  background: var(--card);
  backdrop-filter: var(--blur);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-sm);
  transition: all .3s cubic-bezier(.4,0,.2,1);
}
.card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
}
.card h3 {
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -.01em;
}

/* ── Story Box (NLG) ── */
.story-box {
  background: var(--card);
  backdrop-filter: var(--blur);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 14px;
  padding: 22px 26px;
  font-size: .88rem;
  line-height: 1.85;
  margin-bottom: 18px;
  white-space: pre-line;
  box-shadow: var(--shadow-sm);
}

/* ── Quantile Grid ── */
.q-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.q-item { text-align: center; }
.q-label {
  font-size: .68rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 600;
}
.q-value {
  font-size: 1.65rem;
  font-weight: 800;
  margin: 6px 0;
  font-family: 'JetBrains Mono', monospace;
}
.q-value.red { color: var(--red); text-shadow: 0 0 20px var(--red-glow); }
.q-value.blue { color: var(--accent); text-shadow: 0 0 20px var(--accent-glow); }
.q-value.green { color: var(--green); text-shadow: 0 0 20px var(--green-glow); }

/* ── Data Table ── */
.data-table { width: 100%; border-collapse: separate; border-spacing: 0; }
.data-table th {
  text-align: left;
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--muted);
  padding: 12px 16px;
  border-bottom: 2px solid var(--border);
  font-weight: 600;
  background: rgba(79,143,247,.03);
}
.data-table td {
  padding: 11px 16px;
  border-bottom: 1px solid rgba(255,255,255,.03);
  font-size: .82rem;
  transition: all .15s;
}
.data-table tbody tr {
  transition: all .2s;
}
.data-table tbody tr:hover {
  background: rgba(79,143,247,.06);
}
.data-table tbody tr:hover td {
  border-bottom-color: rgba(79,143,247,.12);
}
.muted-text { font-size: .8rem; color: var(--muted); }

/* ── Tabs ── */
.tabs { display: flex; gap: 5px; margin-bottom: 18px; }
.tab-btn {
  padding: 8px 18px;
  border-radius: 10px;
  font-size: .75rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--muted);
  background: var(--card);
  backdrop-filter: var(--blur);
  border: 1px solid var(--border);
  transition: all .25s;
}
.tab-btn:hover {
  color: var(--text);
  background: rgba(79,143,247,.08);
  border-color: rgba(79,143,247,.25);
}
.tab-btn.active {
  background: linear-gradient(135deg, rgba(79,143,247,.15), rgba(168,85,247,.1));
  color: var(--accent-bright);
  border-color: var(--accent);
  box-shadow: 0 0 12px rgba(79,143,247,.1);
}

/* ── Factor Bars (SHAP) ── */
.factor-bar {
  display: flex;
  align-items: center;
  margin-bottom: 7px;
  padding: 3px 0;
  transition: all .2s;
  border-radius: 6px;
}
.factor-bar:hover {
  background: rgba(79,143,247,.04);
  padding-left: 6px;
}
.factor-bar .fb-label {
  width: 90px;
  font-size: .78rem;
  font-weight: 600;
  flex-shrink: 0;
}
.factor-bar .fb-track {
  flex: 1;
  height: 22px;
  background: rgba(255,255,255,.03);
  border-radius: 6px;
  overflow: hidden;
  margin: 0 10px;
  position: relative;
  border: 1px solid rgba(255,255,255,.03);
}
.factor-bar .fb-mid {
  position: absolute;
  left: 50%; top: 0; bottom: 0;
  width: 1px;
  background: var(--border);
}
.factor-bar .fb-fill {
  height: 100%;
  border-radius: 6px;
  transition: width .6s cubic-bezier(.4,0,.2,1);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.12);
}
.factor-bar .fb-val {
  width: 64px;
  font-size: .72rem;
  color: var(--muted);
  text-align: right;
  font-family: 'JetBrains Mono', monospace;
}

/* ── Scenario Cards ── */
.sc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}
.sc-item {
  background: var(--card);
  backdrop-filter: var(--blur);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  text-align: center;
  transition: all .3s;
}
.sc-item:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}
.sc-item .sc-label {
  font-size: .68rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 600;
}
.sc-item .sc-value {
  font-size: 1.4rem;
  font-weight: 800;
  margin: 8px 0;
  font-family: 'JetBrains Mono', monospace;
}
.sc-item .sc-desc {
  font-size: .7rem;
  color: var(--muted);
}

/* ── Slider ── */
.slider-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
  padding: 8px 0;
}
.slider-row label {
  width: 130px;
  font-size: .82rem;
  font-weight: 600;
}
.slider-row input[type=range] {
  flex: 1;
  accent-color: var(--accent);
  height: 4px;
}
.slider-row .sv {
  width: 64px;
  font-size: .75rem;
  color: var(--accent-bright);
  text-align: right;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
}

/* ── Hit/Miss ── */
.hit { color: var(--green); font-weight: 700; }
.miss { color: var(--red); font-weight: 700; }

/* ── Story Block ── */
.story {
  border-left: 3px solid var(--accent);
  padding-left: 20px;
  margin: 16px 0;
}
.story h4 { font-size: .9rem; font-weight: 700; margin-bottom: 6px; }
.story p { font-size: .82rem; color: var(--muted); line-height: 1.75; }

/* ── Pipeline Flow ── */
.flow {
  display: flex;
  align-items: center;
  gap: 0;
  margin: 22px 0;
  flex-wrap: wrap;
  justify-content: center;
}
.flow-step {
  background: var(--card);
  backdrop-filter: var(--blur);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  text-align: center;
  min-width: 115px;
  transition: all .3s;
}
.flow-step:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}
.flow-step .flow-num { font-size: 1.2rem; font-weight: 800; color: var(--accent); }
.flow-step .flow-name { font-size: .78rem; font-weight: 700; margin: 4px 0; }
.flow-step .flow-desc { font-size: .68rem; color: var(--muted); }
.flow-arrow { font-size: 18px; color: var(--accent); padding: 0 8px; opacity: .6; }

/* ═══════════════════════════════════════════════════
   Chat (AI Agent)
   ═══════════════════════════════════════════════════ */
.chat-wrap { display: flex; flex-direction: column; height: calc(100vh - 48px); }
.chat-msgs { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 16px; padding: 18px 0; }
.chat-msg { display: flex; gap: 12px; max-width: 80%; animation: fadeIn .3s ease; }
.chat-msg.usr { align-self: flex-end; flex-direction: row-reverse; }
.chat-avatar {
  width: 36px; height: 36px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}
.chat-msg.bot .chat-avatar { background: linear-gradient(135deg, var(--accent), var(--purple)); }
.chat-msg.usr .chat-avatar { background: linear-gradient(135deg, #0ea5e9, #06b6d4); }
.chat-bubble {
  padding: 14px 18px; border-radius: 16px;
  font-size: .82rem; line-height: 1.75;
  white-space: pre-wrap; word-break: break-word;
  box-shadow: var(--shadow-sm);
}
.chat-msg.bot .chat-bubble {
  background: var(--card);
  backdrop-filter: var(--blur);
  border: 1px solid var(--border);
  border-top-left-radius: 4px;
}
.chat-msg.usr .chat-bubble {
  background: linear-gradient(135deg, rgba(79,143,247,.12), rgba(168,85,247,.08));
  border: 1px solid rgba(79,143,247,.25);
  border-top-right-radius: 4px;
}
.chat-typing { display: flex; gap: 5px; padding: 16px 20px; }
.chat-dot {
  width: 7px; height: 7px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border-radius: 50%; animation: bounce 1.4s infinite ease-in-out;
}
.chat-dot:nth-child(2) { animation-delay: .2s; }
.chat-dot:nth-child(3) { animation-delay: .4s; }
.chat-qbtns { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.chat-qb {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px; padding: 7px 16px;
  color: var(--accent-bright);
  font-size: .72rem; font-weight: 500;
  cursor: pointer; transition: all .25s;
}
.chat-qb:hover {
  background: rgba(79,143,247,.12);
  border-color: var(--accent);
  color: var(--text);
  box-shadow: 0 0 12px rgba(79,143,247,.08);
}
.chat-input-area { padding: 14px 0; border-top: 1px solid var(--border); }
.chat-irow { display: flex; gap: 12px; }
.chat-irow input {
  flex: 1;
  background: var(--card);
  backdrop-filter: var(--blur);
  border: 1px solid var(--border);
  border-radius: 14px; padding: 13px 18px;
  color: var(--text);
  font-size: .85rem; outline: none; transition: all .25s;
}
.chat-irow input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow), var(--shadow-sm);
}
.chat-irow button {
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border: none; border-radius: 14px; padding: 13px 22px;
  color: white; font-size: .85rem; font-weight: 700;
  cursor: pointer; transition: all .2s;
  box-shadow: 0 2px 10px rgba(79,143,247,.25);
}
.chat-irow button:hover { transform: scale(1.03); box-shadow: 0 4px 16px rgba(79,143,247,.35); }
.chat-irow button:disabled { opacity: .4; cursor: not-allowed; transform: none; }

/* ═══════════════════════════════════════════════════
   Loading
   ═══════════════════════════════════════════════════ */
.loading-overlay {
  display: flex; align-items: center; justify-content: center;
  height: 50vh; font-size: .95rem; color: var(--muted);
}

/* ═══════════════════════════════════════════════════
   Animations
   ═══════════════════════════════════════════════════ */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes bounce {
  0%,80%,100% { transform: translateY(0); }
  40% { transform: translateY(-8px); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: .5; }
}
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ═══════════════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .cards-4, .cards-3 { grid-template-columns: 1fr 1fr; }
  .sc-grid { grid-template-columns: 1fr 1fr; }
}