/* ════════════════════════════════════════════════
   BASE — Variables, reset, body, scrollbar
   Incluye tema claro y oscuro
════════════════════════════════════════════════ */

/* ── Dark theme (default) ──────────────────── */
:root {
  --bg:      #060912;
  --bg2:     #0d1426;
  --bg3:     #131d35;
  --card:    #0c1120;
  --border:  rgba(245,158,11,0.14);
  --borderl: rgba(245,158,11,0.40);
  --overlay: rgba(6,9,18,0.87);
  --dh-bg:   rgba(6,9,18,0.82);
  --shadow:  0 4px 20px rgba(0,0,0,0.35);

  --amber:   #f59e0b;
  --amberd:  #d97706;
  --amberg:  rgba(245,158,11,0.10);
  --amberl:  #fde68a;
  --blue:    #3b82f6;
  --blueg:   rgba(59,130,246,0.10);
  --green:   #10b981;
  --greeng:  rgba(16,185,129,0.10);
  --rose:    #f43f5e;
  --roseg:   rgba(244,63,94,0.10);

  --txt:     #e2e8f0;
  --txt2:    #94a3b8;
  --txt3:    #4a5568;

  --ff: 'Rajdhani', sans-serif;
  --fm: 'JetBrains Mono', monospace;
  --r:  8px;
  --rl: 14px;
}

/* ── Light theme ───────────────────────────── */
[data-theme="light"] {
  --bg:      #faf8f4;
  --bg2:     #f0ece4;
  --bg3:     #e5dfd5;
  --card:    #ffffff;
  --border:  rgba(180,130,20,0.18);
  --borderl: rgba(180,130,20,0.45);
  --overlay: rgba(250,248,244,0.92);
  --dh-bg:   rgba(250,248,244,0.88);
  --shadow:  0 4px 20px rgba(0,0,0,0.08);

  --amber:   #d97706;
  --amberd:  #b45309;
  --amberg:  rgba(217,119,6,0.10);
  --amberl:  #78350f;
  --blue:    #2563eb;
  --blueg:   rgba(37,99,235,0.10);
  --green:   #059669;
  --greeng:  rgba(5,150,105,0.10);
  --rose:    #e11d48;
  --roseg:   rgba(225,29,72,0.10);

  --txt:     #1e1b2e;
  --txt2:    #4a4a6a;
  --txt3:    #8888aa;

  --shadow:  0 2px 12px rgba(0,0,0,0.10);
}

/* ── Reset ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--ff);
  background: var(--bg);
  color: var(--txt);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background 0.3s, color 0.3s;
}

/* Dark body background pattern */
body {
  background-image:
    radial-gradient(ellipse 60% 40% at 15% 15%, rgba(245,158,11,0.04) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 85% 85%, rgba(59,130,246,0.04) 0%, transparent 70%),
    radial-gradient(rgba(245,158,11,0.055) 1px, transparent 1px);
  background-size: auto, auto, 28px 28px;
}

[data-theme="light"] body {
  background-image:
    radial-gradient(ellipse 60% 40% at 15% 15%, rgba(217,119,6,0.04) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 85% 85%, rgba(37,99,235,0.04) 0%, transparent 70%),
    radial-gradient(rgba(217,119,6,0.07) 1px, transparent 1px);
  background-size: auto, auto, 28px 28px;
}

/* ── Shared utilities ───────────────────────── */
code {
  font-family: var(--fm);
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: .1rem .35rem;
  font-size: .88em;
  color: var(--amberl);
}

/* ── Scrollbar ──────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--borderl); border-radius: 3px; }

/* ── Animations ─────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes spin   { to { transform: rotate(360deg); } }
@keyframes pulse  { 0%,100%{ opacity:1 } 50%{ opacity:.3 } }

/* ── Responsive breakpoints ─────────────────── */

/* ── 1024px — tablet landscape ── */
@media (max-width: 1024px) {
  .kpi-grid    { grid-template-columns: repeat(2, 1fr) !important; }
  .charts-row  { grid-template-columns: 1fr !important; }
  .kw-stats    { grid-template-columns: repeat(2, 1fr) !important; }
}

/* ── 768px — tablet portrait ── */
@media (max-width: 768px) {
  .dm { padding: 1.5rem 1.25rem !important; }

  .cbar {
    flex-direction: column;
    align-items: flex-start;
    gap: .9rem;
  }
  .cbar-right {
    width: 100%;
    justify-content: flex-start;
    gap: .5rem;
    flex-wrap: wrap;
  }

  /* Setup */
  .setup-wrap  { max-width: 100%; }
  .card        { padding: 1.75rem 1.5rem; }
  .logo        { font-size: 2rem; }
}

/* ── 480px — mobile ── */
@media (max-width: 480px) {
  .dm          { padding: 1rem !important; }

  /* Setup */
  #setup-screen { padding: 1rem; align-items: flex-start; }
  .setup-wrap   { padding-top: 1.5rem; }
  .logo         { font-size: 1.6rem; }
  .tagline      { font-size: .62rem; margin-bottom: 1.75rem; }
  .card         { padding: 1.25rem 1rem; }
  .setup-tab-btn { font-size: .68rem; padding: .6rem .5rem; }
  .step         { gap: .75rem; padding: 1rem 0; }
  .step-body h3 { font-size: .9rem; }
  .step-body p  { font-size: .7rem; }
  .sa-textarea  { rows: 4; }
  .setup-form   { gap: .85rem; }

  /* KPI */
  .kpi-grid { grid-template-columns: 1fr !important; gap: .75rem; }
  .kpi      { padding: 1.25rem; }
  .kpi-val  { font-size: 1.9rem; }

  /* Charts */
  .chart-wrap { height: 200px; }
  .ccrd       { padding: 1.25rem 1rem; }
  .ccrd-hd    { flex-direction: column; align-items: flex-start; gap: .5rem; }
  .legend     { gap: .6rem; }

  /* Keyword section */
  .kw-section { padding: 1.25rem 1rem; }
  .kw-hd      { flex-direction: column; align-items: flex-start; }
  .kw-hd-title { font-size: .85rem; }
  .kw-search-wrap { max-width: 100%; width: 100%; }
  .kw-stats   { grid-template-columns: repeat(2, 1fr) !important; gap: .5rem; }
  .kws-val    { font-size: 1.1rem; }

  /* Controls */
  .sep        { display: none; }
  .dbtn, .dinput { flex: 1; text-align: center; }
  .dinput     { min-width: 120px; }
  .btn-refresh, .btn-yoy { width: 100%; text-align: center; }

  /* Table */
  #kw-tbl-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .kwt th, .kwt td { padding: .5rem; font-size: .68rem; }
}

/* ── 380px — teléfonos pequeños ── */
@media (max-width: 380px) {
  .kpi-val { font-size: 1.6rem; }
  .logo    { font-size: 1.4rem; }
}