/* ============================================================
   EstateOS AI — Design System v1
   Tokens propios. Sin gradientes azul-morado, sin glassmorphism.
   Escala 4px. Radius contenidos. Contraste AA. Reduced motion.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;0,6..72,600;1,6..72,400&family=Inter:wght@400;450;500;550;600;650&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* ---- Brand core: deep pine + warm paper + brass accent ---- */
  --brand-950: #0c1f1a;
  --brand-900: #10281f;
  --brand-800: #17382c;
  --brand-700: #1e4a3a;
  --brand-600: #256048;
  --brand-500: #2f7a5b;
  --brand-400: #4a9a76;
  --brand-300: #7dbb9d;
  --brand-200: #b6d9c6;
  --brand-100: #ddeee5;
  --brand-50:  #f0f7f3;

  --accent-600: #a16a1b;
  --accent-500: #c08427;
  --accent-400: #d69e42;
  --accent-200: #efd9ac;
  --accent-100: #f8edd6;

  /* ---- Neutrals (warm) ---- */
  --n-0: #ffffff;
  --n-25: #fcfbf9;
  --n-50: #f7f5f1;
  --n-100: #efece6;
  --n-200: #e2ddd4;
  --n-300: #cbc4b8;
  --n-400: #a49c8e;
  --n-500: #7d766a;
  --n-600: #5c564c;
  --n-700: #423e37;
  --n-800: #2b2823;
  --n-900: #1b1916;
  --n-950: #121110;

  /* ---- Semantic ---- */
  --ok-600: #1c7a43; --ok-100: #ddf2e4;
  --warn-600: #9a6210; --warn-100: #faeed3;
  --err-600: #b3342b; --err-100: #fbe3e0;
  --info-600: #22608f; --info-100: #e0edf7;

  /* ---- Charts ---- */
  --chart-1: #2f7a5b; --chart-2: #c08427; --chart-3: #22608f;
  --chart-4: #8a5a83; --chart-5: #b3342b; --chart-6: #5c564c;

  /* ---- Surfaces (light) ---- */
  --bg: var(--n-25);
  --bg-sunken: var(--n-50);
  --surface: var(--n-0);
  --surface-2: var(--n-50);
  --surface-3: var(--n-100);
  --border: var(--n-200);
  --border-strong: var(--n-300);
  --text: var(--n-900);
  --text-2: var(--n-600);
  --text-3: var(--n-500);
  --text-inverse: var(--n-25);
  --link: var(--brand-600);
  --focus-ring: var(--brand-500);

  /* ---- Type ---- */
  --font-display: 'Newsreader', Georgia, serif;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --fs-xs: 0.75rem;   --fs-sm: 0.8438rem; --fs-base: 0.9375rem;
  --fs-md: 1.0625rem; --fs-lg: 1.25rem;   --fs-xl: 1.5625rem;
  --fs-2xl: clamp(1.9rem, 1.4rem + 1.8vw, 2.6rem);
  --fs-3xl: clamp(2.4rem, 1.7rem + 2.8vw, 3.7rem);

  /* ---- Space (4px scale) ---- */
  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 20px;
  --s-6: 24px; --s-8: 32px; --s-10: 40px; --s-12: 48px; --s-16: 64px; --s-20: 80px;

  /* ---- Radius / shadow ---- */
  --r-sm: 4px; --r-md: 6px; --r-lg: 10px; --r-full: 999px;
  --shadow-1: 0 1px 2px rgba(27, 25, 22, .06);
  --shadow-2: 0 2px 8px rgba(27, 25, 22, .08), 0 1px 2px rgba(27,25,22,.05);
  --shadow-3: 0 8px 28px rgba(27, 25, 22, .12), 0 2px 6px rgba(27,25,22,.06);

  --transition: 140ms cubic-bezier(.3,.7,.4,1);
}

[data-theme='dark'] {
  --bg: #131614;
  --bg-sunken: #0e100f;
  --surface: #1a1e1b;
  --surface-2: #20251f;
  --surface-3: #272d26;
  --border: #2e352e;
  --border-strong: #3d453c;
  --text: #ecebe6;
  --text-2: #a7a49a;
  --text-3: #807d73;
  --text-inverse: #131614;
  --link: var(--brand-300);
  --focus-ring: var(--brand-400);
  --ok-100: #17352272;  --warn-100: #3a2c0f72; --err-100: #3c191672; --info-100: #14283a72;
  --shadow-1: 0 1px 2px rgba(0,0,0,.4);
  --shadow-2: 0 2px 8px rgba(0,0,0,.45);
  --shadow-3: 0 8px 28px rgba(0,0,0,.55);
}

/* ================= BASE ================= */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.55;
  font-feature-settings: 'cv05', 'cv11';
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3,h4 { margin: 0; font-weight: 600; line-height: 1.15; letter-spacing: -0.015em; }
p { margin: 0; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; border-radius: var(--r-sm); }
::selection { background: var(--brand-200); color: var(--brand-950); }
[data-theme='dark'] ::selection { background: var(--brand-700); color: var(--n-25); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

.font-display { font-family: var(--font-display); }
.mono { font-family: var(--font-mono); font-size: var(--fs-sm); }

/* ================= BUTTONS ================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2);
  font: inherit; font-size: var(--fs-sm); font-weight: 550;
  padding: 9px 16px; border-radius: var(--r-md);
  border: 1px solid transparent; cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  text-decoration: none; white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--brand-700); color: #f4faf6; border-color: var(--brand-800); }
.btn-primary:hover { background: var(--brand-800); }
[data-theme='dark'] .btn-primary { background: var(--brand-500); border-color: var(--brand-600); color: #f4faf6; }
[data-theme='dark'] .btn-primary:hover { background: var(--brand-600); }
.btn-secondary { background: var(--surface); color: var(--text); border-color: var(--border-strong); }
.btn-secondary:hover { background: var(--surface-2); }
.btn-ghost { background: transparent; color: var(--text-2); }
.btn-ghost:hover { background: var(--surface-2); color: var(--text); }
.btn-danger { background: var(--err-600); color: #fff; }
.btn-lg { padding: 12px 22px; font-size: var(--fs-base); }
.btn-sm { padding: 5px 10px; font-size: var(--fs-xs); }

/* ================= FORMS ================= */
.field { display: flex; flex-direction: column; gap: var(--s-2); }
.field label { font-size: var(--fs-sm); font-weight: 550; color: var(--text); }
.field .hint { font-size: var(--fs-xs); color: var(--text-3); }
.input, .select, .textarea {
  font: inherit; font-size: var(--fs-sm); color: var(--text);
  background: var(--surface); border: 1px solid var(--border-strong);
  border-radius: var(--r-md); padding: 9px 12px; width: 100%;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.input:focus, .select:focus, .textarea:focus {
  outline: none; border-color: var(--brand-500);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand-500) 18%, transparent);
}
.input[aria-invalid='true'] { border-color: var(--err-600); }
.field .error { font-size: var(--fs-xs); color: var(--err-600); font-weight: 500; }

/* ================= SURFACES ================= */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); box-shadow: var(--shadow-1);
}
.card-pad { padding: var(--s-6); }

.badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: var(--fs-xs); font-weight: 550; letter-spacing: .01em;
  padding: 2px 9px; border-radius: var(--r-full); border: 1px solid transparent;
}
.badge-ok   { background: var(--ok-100); color: var(--ok-600); }
.badge-warn { background: var(--warn-100); color: var(--warn-600); }
.badge-err  { background: var(--err-100); color: var(--err-600); }
.badge-info { background: var(--info-100); color: var(--info-600); }
.badge-neutral { background: var(--surface-3); color: var(--text-2); }

.divider { border: 0; border-top: 1px solid var(--border); margin: var(--s-6) 0; }

/* ================= APP SHELL ================= */
.app-shell { display: grid; grid-template-columns: 248px 1fr; min-height: 100dvh; }
.sidebar {
  background: var(--bg-sunken); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100dvh;
  padding: var(--s-4) var(--s-3);
}
.sidebar-brand {
  display: flex; align-items: center; gap: var(--s-3);
  padding: var(--s-2) var(--s-3) var(--s-4);
  font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 600;
  color: var(--text); text-decoration: none;
}
.sidebar-brand:hover { text-decoration: none; }
.brand-mark {
  width: 26px; height: 26px; border-radius: var(--r-md);
  background: var(--brand-700); color: #f4faf6;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 15px; font-weight: 600; font-style: italic;
}
.nav-section { margin-top: var(--s-4); }
.nav-section-title {
  font-size: 10.5px; font-weight: 650; letter-spacing: .09em; text-transform: uppercase;
  color: var(--text-3); padding: 0 var(--s-3); margin-bottom: var(--s-2);
}
.nav-item {
  display: flex; align-items: center; gap: var(--s-3);
  padding: 7px var(--s-3); margin: 1px 0; border-radius: var(--r-md);
  color: var(--text-2); font-size: var(--fs-sm); font-weight: 500;
  text-decoration: none; transition: background var(--transition), color var(--transition);
}
.nav-item:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.nav-item[aria-current='page'] { background: var(--surface-3); color: var(--text); font-weight: 600; }
.nav-item .ico { width: 17px; height: 17px; flex: none; opacity: .75; }
.nav-item[aria-current='page'] .ico { opacity: 1; }
.nav-item .soon {
  margin-left: auto; font-size: 9.5px; font-weight: 650; letter-spacing: .05em;
  color: var(--accent-600); background: var(--accent-100);
  padding: 1px 6px; border-radius: var(--r-full);
}
[data-theme='dark'] .nav-item .soon { background: #3a2c0f72; color: var(--accent-400); }

.main-col { display: flex; flex-direction: column; min-width: 0; }
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-4);
  padding: var(--s-3) var(--s-8); border-bottom: 1px solid var(--border);
  background: var(--bg); position: sticky; top: 0; z-index: 20;
}
.main-content { padding: var(--s-8); max-width: 1240px; width: 100%; margin: 0 auto; }

/* KPI */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: var(--s-4); }
.kpi { padding: var(--s-5); display: flex; flex-direction: column; gap: var(--s-1); }
.kpi .kpi-label { font-size: var(--fs-xs); font-weight: 550; color: var(--text-3); letter-spacing: .02em; }
.kpi .kpi-value { font-family: var(--font-display); font-size: 1.9rem; font-weight: 600; letter-spacing: -0.02em; line-height: 1.1; }
.kpi .kpi-meta { font-size: var(--fs-xs); color: var(--text-3); }

/* Tables */
.table { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.table th {
  text-align: left; font-size: var(--fs-xs); font-weight: 600; letter-spacing: .04em;
  text-transform: uppercase; color: var(--text-3);
  padding: var(--s-2) var(--s-4); border-bottom: 1px solid var(--border);
}
.table td { padding: var(--s-3) var(--s-4); border-bottom: 1px solid var(--border); }
.table tr:last-child td { border-bottom: 0; }
.table tbody tr:hover { background: var(--surface-2); }

/* Empty state */
.empty {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  gap: var(--s-3); padding: var(--s-16) var(--s-8);
  border: 1.5px dashed var(--border-strong); border-radius: var(--r-lg);
  background: var(--surface);
}
.empty .empty-icon {
  width: 44px; height: 44px; border-radius: var(--r-lg);
  background: var(--surface-3); color: var(--text-3);
  display: flex; align-items: center; justify-content: center;
}
.empty h3 { font-size: var(--fs-md); }
.empty p { font-size: var(--fs-sm); color: var(--text-2); max-width: 420px; }

/* Skeleton */
.skeleton {
  border-radius: var(--r-md); background: var(--surface-3);
  animation: pulse 1.4s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .45; } }

/* Alerts */
.alert { display: flex; gap: var(--s-3); padding: var(--s-4); border-radius: var(--r-md); font-size: var(--fs-sm); border: 1px solid; }
.alert-err { background: var(--err-100); color: var(--err-600); border-color: color-mix(in srgb, var(--err-600) 25%, transparent); }
.alert-ok { background: var(--ok-100); color: var(--ok-600); border-color: color-mix(in srgb, var(--ok-600) 25%, transparent); }
.alert-info { background: var(--info-100); color: var(--info-600); border-color: color-mix(in srgb, var(--info-600) 25%, transparent); }

/* ================= AUTH LAYOUT ================= */
.auth-layout { display: grid; grid-template-columns: 1fr 1fr; min-height: 100dvh; }
.auth-pane { display: flex; flex-direction: column; justify-content: center; padding: var(--s-12); }
.auth-card { width: 100%; max-width: 400px; margin: 0 auto; display: flex; flex-direction: column; gap: var(--s-6); }
.auth-aside {
  background: var(--brand-950); color: #d9e8df;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: var(--s-12); position: relative; overflow: hidden;
}
.auth-aside::after {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(217,232,223,.09) 1px, transparent 0);
  background-size: 26px 26px; pointer-events: none;
}

/* ================= MARKETING ================= */
.mk-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--s-4) var(--s-8); max-width: 1180px; margin: 0 auto;
}
.mk-nav { display: flex; gap: var(--s-6); align-items: center; }
.mk-nav a { color: var(--text-2); font-size: var(--fs-sm); font-weight: 500; }
.mk-nav a:hover { color: var(--text); text-decoration: none; }
.mk-hero { max-width: 1180px; margin: 0 auto; padding: var(--s-20) var(--s-8) var(--s-16); }
.mk-hero h1 {
  font-family: var(--font-display); font-size: var(--fs-3xl);
  font-weight: 500; letter-spacing: -0.025em; max-width: 15ch; line-height: 1.06;
}
.mk-hero h1 em { font-style: italic; color: var(--brand-600); }
[data-theme='dark'] .mk-hero h1 em { color: var(--brand-300); }
.mk-eyebrow {
  font-size: var(--fs-xs); font-weight: 650; letter-spacing: .11em; text-transform: uppercase;
  color: var(--accent-600); margin-bottom: var(--s-4); display: block;
}
.mk-section { max-width: 1180px; margin: 0 auto; padding: var(--s-16) var(--s-8); }
.mk-transcript {
  background: var(--brand-950); border-radius: var(--r-lg); padding: var(--s-6);
  color: #cfe2d7; font-size: var(--fs-sm); box-shadow: var(--shadow-3);
}
.mk-transcript .line { display: flex; gap: var(--s-3); padding: var(--s-2) 0; }
.mk-transcript .who {
  flex: none; width: 64px; font-size: 10.5px; font-weight: 650; letter-spacing: .07em;
  text-transform: uppercase; padding-top: 3px;
}
.mk-transcript .who.ai { color: var(--accent-400); }
.mk-transcript .who.caller { color: #8fb8a2; }
.mk-footer { border-top: 1px solid var(--border); padding: var(--s-8); text-align: center; color: var(--text-3); font-size: var(--fs-sm); }

/* Theme toggle */
.theme-toggle {
  background: transparent; border: 1px solid var(--border-strong); color: var(--text-2);
  width: 32px; height: 32px; border-radius: var(--r-md); cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
}
.theme-toggle:hover { background: var(--surface-2); color: var(--text); }

/* ================= RESPONSIVE ================= */
@media (max-width: 960px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: fixed; inset: 0 28% 0 0; z-index: 50; transform: translateX(-100%); transition: transform 200ms ease; box-shadow: var(--shadow-3); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-backdrop { display: none; position: fixed; inset: 0; background: rgba(18,17,16,.45); z-index: 40; }
  .sidebar-backdrop.open { display: block; }
  .main-content { padding: var(--s-5); }
  .topbar { padding: var(--s-3) var(--s-5); }
  .auth-layout { grid-template-columns: 1fr; }
  .auth-aside { display: none; }
  .mk-hero { padding: var(--s-12) var(--s-5); }
  .mk-section { padding: var(--s-10) var(--s-5); }
  .mk-header { padding: var(--s-4) var(--s-5); }
  .mk-nav .mk-nav-links { display: none; }
}
.menu-btn { display: none; }
@media (max-width: 960px) { .menu-btn { display: inline-flex; } }