@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  color-scheme: light;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --bg-page: #f8fafc;
  --surface: #ffffff;
  --surface-alt: #f1f5f9;
  
  --ink: #0f172a;
  --ink-secondary: #475569;
  --ink-muted: #94a3b8;
  
  --border: #e2e8f0;
  --border-hover: #cbd5e1;
  --grid: #f1f5f9;
  
  --brand-blue: #2563eb;
  --brand-blue-hover: #1d4ed8;
  --brand-dark: #0f1419;
  
  --pos-bg: #ecfdf5;
  --pos-text: #047857;
  --pos-border: #a7f3d0;
  
  --neg-bg: #fef2f2;
  --neg-text: #b91c1c;
  --neg-border: #fecaca;
  
  --neu-bg: #f8fafc;
  --neu-text: #475569;
  --neu-border: #cbd5e1;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--ink);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Typography & Utility ---------- */
h1, h2, h3, h4 {
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.02em;
}

a {
  color: var(--brand-blue);
  text-decoration: none;
}

/* ---------- Topbar Glassmorphic Navigation ---------- */
.topbar {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 12px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.topbar .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.topbar .brand-icon {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, #0f1419 0%, #2563eb 100%);
  color: #fff;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}

.topbar nav {
  display: flex;
  gap: 6px;
  align-items: center;
}

.topbar nav a {
  text-decoration: none;
  color: var(--ink-secondary);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 8px;
  transition: all 0.18s ease;
}

.topbar nav a:hover {
  background: var(--surface-alt);
  color: var(--ink);
}

.topbar nav a.active {
  background: var(--brand-dark);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(15, 20, 25, 0.15);
}

.topbar nav .btn-logout {
  background: #fff;
  border: 1px solid var(--border);
  color: var(--neg-text);
  margin-left: 8px;
}
.topbar nav .btn-logout:hover {
  background: var(--neg-bg);
  border-color: var(--neg-border);
}

/* Hamburger button — hidden on desktop, shown on mobile via media query */
.nav-burger {
  display: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  color: var(--ink);
  align-items: center;
  justify-content: center;
}
.nav-burger:hover { background: var(--surface-alt); }

/* Charts never overflow their container on small screens */
#donut svg, #groupedBar svg, #topTerms svg,
#wcPos svg, #wcNeg svg, #wcNeu svg { max-width: 100%; height: auto; }

/* ---------- Page Layout ---------- */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 32px 24px 72px;
}

.page-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
}

.header-icon-badge {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-blue);
  flex-shrink: 0;
}

.page-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 4px;
  line-height: 1.25;
}

.page-sub {
  color: var(--ink-secondary);
  font-size: 0.92rem;
  line-height: 1.5;
}

/* ---------- Stat Cards Grid ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 22px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--brand-blue);
}

.card.pos::before { background: #10b981; }
.card.neg::before { background: #ef4444; }
.card.neu::before { background: #64748b; }

.card .value {
  font-size: 1.95rem;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.card .label {
  color: var(--ink-secondary);
  font-size: 0.86rem;
  font-weight: 600;
  margin-top: 4px;
}

.card .pct {
  display: inline-block;
  margin-top: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--surface-alt);
  color: var(--ink-secondary);
}

.card.pos .pct { background: var(--pos-bg); color: var(--pos-text); }
.card.neg .pct { background: var(--neg-bg); color: var(--neg-text); }
.card.neu .pct { background: var(--neu-bg); color: var(--neu-text); }

/* ---------- Panels ---------- */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 26px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--grid);
}

.panel h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 10px;
}

.panel .note {
  color: var(--ink-muted);
  font-size: 0.84rem;
  margin-top: 12px;
}

/* ---------- Grid Layout Helpers ---------- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 820px) {
  .two-col { grid-template-columns: 1fr; }
  .topbar { padding: 12px 16px; flex-wrap: wrap; }
  .container { padding: 20px 16px 48px; }

  /* --- Mobile navbar: burger toggles a stacked dropdown --- */
  .nav-burger { display: inline-flex; }
  .topbar nav {
    display: none;
    order: 3;                 /* full-width row below brand + burger */
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    margin-top: 10px;
  }
  /* CSS-only toggle: checkbox sits before <nav> as a sibling */
  .nav-toggle:checked ~ nav { display: flex; }
  .topbar nav a { padding: 12px 14px; }
  .topbar nav .btn-logout { margin-left: 0; margin-top: 6px; }
}

/* hasil.html dataset cards: 3 equal columns that shrink to fit the
   screen (minmax(0,1fr) allows shrinking below content width) so the
   row never overflows horizontally. Stacks to 1 column on phones. */
@media (min-width: 601px) {
  #datasetCards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 600px) {
  /* Panel header: title + action button stack vertically */
  .panel-header { flex-direction: column; align-items: flex-start; gap: 10px; }
  .panel-header > .btn,
  .panel-header > a.btn { width: 100%; }
  .panel-header > div { width: 100%; }   /* filter/select wrappers */

  /* Page header stacks; smaller title */
  .page-header { flex-direction: column; gap: 12px; margin-bottom: 20px; }
  .page-title { font-size: 1.25rem; }

  /* Tighter panels + single-column cards */
  .panel { padding: 18px 16px; }
  .cards { grid-template-columns: 1fr; }
  .chart-row { gap: 16px; }
}

/* ---------- Buttons & Inputs ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 10px 20px;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.18s ease;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 100%);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #1e40af 0%, #1d4ed8 100%);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--surface-alt);
  border-color: var(--border-hover);
}

.btn-dark {
  background: var(--brand-dark);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(15, 20, 25, 0.2);
}
.btn-dark:hover {
  background: #272c30;
  transform: translateY(-1px);
}

.btn-danger {
  background: var(--neg-bg);
  color: var(--neg-text);
  border-color: var(--neg-border);
}
.btn-danger:hover {
  background: #fca5a5;
}

.btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none !important;
}

.form-control {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.form-control:focus {
  outline: none;
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* File Upload Box */
.upload-dropzone {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  background: var(--bg-page);
  transition: all 0.2s ease;
  margin-bottom: 14px;
}
.upload-dropzone:hover {
  border-color: var(--brand-blue);
  background: #eff6ff;
}

/* ---------- Sleek Data Tables ---------- */
.table-wrap {
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  background: var(--surface);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  text-align: left;
}

th {
  background: #f8fafc;
  color: var(--ink-secondary);
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--grid);
  vertical-align: middle;
  color: var(--ink);
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background-color: #f8fafc;
}

td.num, th.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.user-link {
  font-weight: 700;
  color: var(--ink);
  transition: color 0.15s;
}
.user-link:hover {
  color: var(--brand-blue);
}

.text-cell {
  line-height: 1.45;
  color: #334155;
  max-width: 380px;
  word-break: break-word;
}

.date-cell {
  font-size: 0.82rem;
  color: var(--ink-muted);
  white-space: nowrap;
  font-family: var(--font-mono);
}

.keyword-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 6px;
  background: #e0f2fe;
  color: #0369a1;
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
}

/* X / Twitter Link Pill Button */
.btn-tweet-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #0f1419;
  color: #ffffff !important;
  font-size: 0.76rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 20px;
  text-decoration: none;
  transition: all 0.18s ease;
  white-space: nowrap;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

.btn-tweet-link:hover {
  background: #272c30;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
  transform: translateY(-1px);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
  border: 1px solid transparent;
}
.badge.positive {
  background: var(--pos-bg);
  color: var(--pos-text);
  border-color: var(--pos-border);
}
.badge.negative {
  background: var(--neg-bg);
  color: var(--neg-text);
  border-color: var(--neg-border);
}
.badge.neutral {
  background: var(--neu-bg);
  color: var(--neu-text);
  border-color: var(--neu-border);
}

/* ---------- Terminal Output Block ---------- */
.terminal-window {
  background: #090d16;
  border: 1px solid #1e293b;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin-bottom: 24px;
}

.terminal-header {
  background: #0f172a;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #1e293b;
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.terminal-dot.red { background: #ef4444; }
.terminal-dot.yellow { background: #f59e0b; }
.terminal-dot.green { background: #10b981; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #94a3b8;
}

.terminal-body {
  padding: 18px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #38bdf8;
  white-space: pre-wrap;
  max-height: 280px;
  overflow-y: auto;
  line-height: 1.6;
}

/* ---------- Charts & Visualizations ---------- */
.chart-row {
  display: flex;
  gap: 32px;
  align-items: center;
  flex-wrap: wrap;
  padding: 12px 0;
}

.legend {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.88rem;
}

.legend .item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-secondary);
  font-weight: 500;
}

.legend .swatch {
  width: 12px;
  height: 12px;
  border-radius: 4px;
  flex-shrink: 0;
}

.cm-table {
  max-width: 440px;
}
.cm-table th:first-child { background: transparent; }
.cm-table td.count {
  font-weight: 800;
  font-size: 1.1rem;
  text-align: center;
  font-family: var(--font-mono);
}
.cm-table td.diag {
  background: #ecfdf5;
  color: #047857;
}

.footer-note {
  color: var(--ink-muted);
  font-size: 0.8rem;
  text-align: center;
  margin-top: 16px;
}

.actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

/* ---------- Login Page ---------- */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: radial-gradient(circle at top left, #1e293b, #0f172a 60%, #020617);
  padding: 20px;
}

.login-card {
  background: var(--surface);
  border-radius: 20px;
  padding: 40px 36px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.login-icon-badge {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #0f1419 0%, #2563eb 100%);
  color: #fff;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
}

.login-card h1 {
  font-size: 1.35rem;
  text-align: center;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.login-card p.sub {
  text-align: center;
  color: var(--ink-secondary);
  font-size: 0.88rem;
  margin-bottom: 28px;
}

.field {
  margin-bottom: 18px;
}

.field label {
  display: block;
  font-size: 0.84rem;
  color: var(--ink-secondary);
  margin-bottom: 6px;
  font-weight: 600;
}

.field input {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  background: var(--bg-page);
  transition: all 0.15s ease;
}

.field input:focus {
  outline: none;
  border-color: var(--brand-blue);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.error-msg {
  color: var(--neg-text);
  background: var(--neg-bg);
  border: 1px solid var(--neg-border);
  border-radius: 8px;
  padding: 10px;
  font-size: 0.84rem;
  text-align: center;
  margin-top: 16px;
  display: none;
}