/* ==========================================================
   MIDNIGHT SIGNAL DESIGN SYSTEM — CORE TOKEN ENGINE
   Nexus CRM · Daniel Ramos Console Executivo B2B
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Core palette */
  --black: #000000;
  --blue-500: #4686B7;   /* Signal Blue */
  --blue-300: #88C1ED;   /* Sky Blue */
  --white: #FFFFFF;

  /* Extended scale */
  --navy-950: #03070B;
  --navy-900: #07111A;
  --navy-800: #0C1C2A;
  --navy-700: #152735;
  --blue-800: #1D3B54;
  --blue-700: #294F6B;
  --blue-600: #3D76A1;
  --blue-400: #5E9FD1;
  --blue-200: #CBE5F6;
  --blue-100: #E6F2FB;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --fw-light: 300;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  /* Spacing (4pt base) */
  --s1: 4px;
  --s2: 8px;
  --s3: 12px;
  --s4: 16px;
  --s5: 24px;
  --s6: 32px;
  --s7: 48px;
  --s8: 64px;

  /* Radii */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 26px;
  --r-pill: 999px;

  /* Categorical Chart Palette (High differentiation & preserved distinction) */
  --chart-blue: #4686B7;
  --chart-sky: #88C1ED;
  --chart-cyan: #38BDF8;
  --chart-emerald: #10B981;
  --chart-amber: #F59E0B;
  --chart-purple: #A855F7;
  --chart-rose: #F43F5E;

  /* Motion */
  --ease: cubic-bezier(.22, .61, .36, 1);
  --dur-fast: 160ms;
  --dur: 280ms;
  --dur-slow: 600ms;

  --sidebar-w: 264px;
}

/* ==========================================================
   THEME: DARK (MIDNIGHT SIGNAL DEFAULT)
   ========================================================== */
html[data-theme="dark"],
:root:not([data-theme="light"]) {
  color-scheme: dark;

  /* Canvas & Surfaces */
  --bg: #000000;
  --bg-deep: #03070B;
  --surface: #07111A;
  --surface-raised: #0C1C2A;
  --surface-hover: #152735;
  --card-bg: rgba(7, 17, 26, 0.78);
  --card-bg-solid: #07111A;

  /* Borders & Lines */
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --card-border: rgba(255, 255, 255, 0.09);
  --card-border-hover: rgba(136, 193, 237, 0.42);

  /* Glass */
  --glass: rgba(255, 255, 255, 0.045);
  --glass-strong: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.12);
  --blur: 18px;

  /* Typography */
  --text-main: #FFFFFF;
  --text-sub: rgba(255, 255, 255, 0.68);
  --text-muted: rgba(255, 255, 255, 0.40);
  --text-dim: rgba(255, 255, 255, 0.22);

  /* Accents */
  --accent: var(--blue-300);
  --accent-secondary: var(--blue-500);
  --accent-glow: rgba(136, 193, 237, 0.45);
  --accent-subtle: rgba(70, 134, 183, 0.14);

  /* Elevation & Glow */
  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.07) inset, 0 20px 45px -20px rgba(0, 0, 0, 0.85);
  --shadow-dropdown: 0 16px 36px -8px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(255, 255, 255, 0.1);
  --glow-sm: 0 0 14px rgba(136, 193, 237, 0.45);
  --glow-md: 0 0 32px rgba(136, 193, 237, 0.35);
  --glow-dot: 0 0 0 5px rgba(255, 255, 255, 0.08), 0 0 16px rgba(255, 255, 255, 0.8);

  /* Gradients */
  --grad-horizon: radial-gradient(120% 70% at 50% 110%, rgba(136, 193, 237, 0.35) 0%, rgba(70, 134, 183, 0.18) 25%, rgba(3, 7, 11, 0) 65%);
  --grad-spot: radial-gradient(60% 60% at 75% 20%, rgba(136, 193, 237, 0.25) 0%, rgba(70, 134, 183, 0.12) 35%, rgba(0, 0, 0, 0) 75%);
  --grad-panel: linear-gradient(160deg, #1D3B54 0%, #0C1C2A 45%, #03070B 100%);
  --grad-text: linear-gradient(90deg, #FFFFFF 0%, #88C1ED 50%, rgba(70, 134, 183, 0.8) 100%);
  --grad-text-fade: linear-gradient(180deg, #FFFFFF 0%, rgba(255, 255, 255, 0.45) 100%);

  /* Scrollbar */
  --scroll-track: #03070B;
  --scroll-thumb: #1D3B54;
  --scroll-thumb-hover: #4686B7;

  /* Legacy Compatibility Bridge */
  --gold-primary: var(--blue-300);
  --gold-light: #FFFFFF;
  --gold-dark: var(--blue-700);
  --gold-gradient: linear-gradient(135deg, #FFFFFF 0%, #88C1ED 50%, #4686B7 100%);
  --gold-glow: rgba(136, 193, 237, 0.4);
  --gold-subtle: rgba(70, 134, 183, 0.15);
  --card-bg-elevated: #0C1C2A;
}

/* ==========================================================
   THEME: LIGHT (ICE / DAWN SIGNAL)
   ========================================================== */
html[data-theme="light"] {
  color-scheme: light;

  /* Canvas & Surfaces */
  --bg: #F0F4F9;
  --bg-deep: #E7EEF6;
  --surface: #FFFFFF;
  --surface-raised: #F8FAFC;
  --surface-hover: #EBF2F8;
  --card-bg: rgba(255, 255, 255, 0.92);
  --card-bg-solid: #FFFFFF;

  /* Borders & Lines */
  --line: rgba(7, 17, 26, 0.08);
  --line-strong: rgba(7, 17, 26, 0.15);
  --card-border: rgba(70, 134, 183, 0.16);
  --card-border-hover: rgba(70, 134, 183, 0.45);

  /* Glass */
  --glass: rgba(255, 255, 255, 0.85);
  --glass-strong: rgba(255, 255, 255, 0.95);
  --glass-border: rgba(70, 134, 183, 0.22);
  --blur: 16px;

  /* Typography */
  --text-main: #07111A;
  --text-sub: #334555;
  --text-muted: #64748B;
  --text-dim: #94A3B8;

  /* Accents */
  --accent: #294F6B;
  --accent-secondary: #4686B7;
  --accent-glow: rgba(70, 134, 183, 0.25);
  --accent-subtle: rgba(70, 134, 183, 0.08);

  /* Elevation & Glow */
  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.9) inset, 0 8px 24px -6px rgba(7, 17, 26, 0.08);
  --shadow-dropdown: 0 16px 36px -8px rgba(7, 17, 26, 0.14), 0 0 0 1px rgba(70, 134, 183, 0.15);
  --glow-sm: 0 0 12px rgba(70, 134, 183, 0.2);
  --glow-md: 0 0 24px rgba(70, 134, 183, 0.25);
  --glow-dot: 0 0 0 5px rgba(70, 134, 183, 0.1), 0 0 12px rgba(70, 134, 183, 0.6);

  /* Gradients */
  --grad-horizon: radial-gradient(120% 70% at 50% 110%, rgba(203, 229, 246, 0.6) 0%, rgba(230, 242, 251, 0.3) 30%, rgba(240, 244, 249, 0) 70%);
  --grad-spot: radial-gradient(60% 60% at 75% 20%, rgba(203, 229, 246, 0.45) 0%, rgba(70, 134, 183, 0.08) 40%, rgba(240, 244, 249, 0) 75%);
  --grad-panel: linear-gradient(160deg, #FFFFFF 0%, #F0F5FA 50%, #E6EFF8 100%);
  --grad-text: linear-gradient(90deg, #07111A 0%, #1D3B54 50%, #4686B7 100%);
  --grad-text-fade: linear-gradient(180deg, #07111A 0%, rgba(7, 17, 26, 0.65) 100%);

  /* Scrollbar */
  --scroll-track: #F0F4F9;
  --scroll-thumb: #CBE5F6;
  --scroll-thumb-hover: #88C1ED;

  /* Legacy Compatibility Bridge */
  --gold-primary: var(--blue-600);
  --gold-light: var(--blue-800);
  --gold-dark: var(--blue-900);
  --gold-gradient: linear-gradient(135deg, #1D3B54 0%, #4686B7 50%, #88C1ED 100%);
  --gold-glow: rgba(70, 134, 183, 0.25);
  --gold-subtle: rgba(70, 134, 183, 0.08);
  --card-bg-elevated: #F0F5FA;
}

/* ==========================================================
   RESET & BASE STYLING
   ========================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html, body {
  background: var(--bg);
  color: var(--text-main);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

/* Scrollbar */
* {
  scrollbar-width: thin !important;
  scrollbar-color: var(--scroll-thumb) var(--scroll-track) !important;
}
::-webkit-scrollbar {
  width: 6px !important;
  height: 6px !important;
}
::-webkit-scrollbar-track {
  background: var(--scroll-track) !important;
}
::-webkit-scrollbar-thumb {
  background: var(--scroll-thumb) !important;
  border-radius: var(--r-pill) !important;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--scroll-thumb-hover) !important;
}

/* ==========================================================
   TYPOGRAPHY SYSTEM (HELVETICA / INTER CONDENSED)
   ========================================================== */
.t-display {
  font-size: clamp(38px, 5vw, 68px);
  font-weight: var(--fw-light);
  line-height: 1.02;
  letter-spacing: -0.045em;
  color: var(--text-main);
}

.t-h1 {
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: var(--fw-light);
  line-height: 1.1;
  letter-spacing: -0.035em;
  color: var(--text-main);
}

.t-h2 {
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: var(--fw-light);
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--text-main);
}

.t-h3 {
  font-size: 15px;
  font-weight: var(--fw-semibold);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--text-main);
}

.t-stat {
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: var(--fw-light);
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--text-main);
}

.t-body-l {
  font-size: 15px;
  line-height: 1.55;
  color: var(--text-sub);
}

.t-body {
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--text-sub);
}

.t-caption {
  font-size: 12px;
  line-height: 1.45;
  color: var(--text-muted);
}

.t-micro {
  font-size: 11px;
  line-height: 1.35;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* Two-tone Headline utility */
.two-tone {
  color: var(--text-muted);
}
.two-tone b, .two-tone strong {
  color: var(--text-main);
  font-weight: var(--fw-medium);
}

/* Mono badge text */
.mono {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.02em;
}

/* ==========================================================
   COMPONENTS: PILLS, BADGES & BUTTONS
   ========================================================== */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 32px;
  padding: 0 14px;
  border-radius: var(--r-pill);
  font-size: 12px;
  font-weight: var(--fw-medium);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  color: var(--text-main);
  white-space: nowrap;
  transition: all var(--dur-fast) var(--ease);
}
.pill.sm {
  height: 24px;
  padding: 0 10px;
  font-size: 11px;
  gap: 6px;
}
.pill-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: var(--glow-sm);
  flex-shrink: 0;
}
.pill-dot.emerald {
  background: var(--chart-emerald);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.6);
}
.pill-dot.white {
  background: #FFFFFF;
  box-shadow: var(--glow-dot);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 40px;
  padding: 0 18px;
  border-radius: var(--r-pill);
  font-size: 13px;
  font-weight: var(--fw-semibold);
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  cursor: pointer;
  background: var(--glass);
  color: var(--text-main);
  border-color: var(--glass-border);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  transition: transform var(--dur-fast) var(--ease),
              background var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease),
              color var(--dur) var(--ease);
  user-select: none;
}
.btn:hover {
  background: var(--glass-strong);
  border-color: var(--card-border-hover);
  box-shadow: var(--glow-sm);
  transform: translateY(-1px);
}
.btn:active {
  transform: scale(0.98);
}

/* Button variants */
.btn-solid {
  background: #FFFFFF;
  color: #03070B;
  border-color: #FFFFFF;
  font-weight: var(--fw-bold);
}
.btn-solid:hover {
  background: #E6F2FB;
  box-shadow: 0 0 24px rgba(255, 255, 255, 0.4);
}
html[data-theme="light"] .btn-solid {
  background: #07111A;
  color: #FFFFFF;
  border-color: #07111A;
}
html[data-theme="light"] .btn-solid:hover {
  background: #1D3B54;
  box-shadow: 0 4px 16px rgba(7, 17, 26, 0.25);
}

.btn-primary {
  background: linear-gradient(180deg, #4686B7 0%, #294F6B 100%);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.btn-primary:hover {
  background: linear-gradient(180deg, #5E9FD1 0%, #3D76A1 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35), var(--glow-md);
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--text-sub);
}
.btn-ghost:hover {
  background: var(--glass);
  border-color: var(--line-strong);
  color: var(--text-main);
}

/* Glass Card */
.glass-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--r-lg);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  box-shadow: var(--shadow-card);
  transition: border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease),
              transform var(--dur-fast) var(--ease);
}
.glass-card:hover {
  border-color: var(--card-border-hover);
}

/* Gridlines & Construction Nodes */
.gridline {
  position: absolute;
  background: var(--line);
  pointer-events: none;
}
.grid-node {
  position: absolute;
  width: 9px;
  height: 9px;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.grid-node::before, .grid-node::after {
  content: "";
  position: absolute;
  background: var(--line-strong);
}
.grid-node::before {
  left: 4px;
  top: 0;
  width: 1px;
  height: 9px;
}
.grid-node::after {
  top: 4px;
  left: 0;
  height: 1px;
  width: 9px;
}