/* ==========================================================================
   SUYASH KUMAR — BESPOKE EDITORIAL & SYSTEMS DASHBOARD
   Design Direction: Warm Travertine, Architectural Sand, Espresso & Terracotta
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;0,6..72,600;0,6..72,700;1,6..72,400;1,6..72,500&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Geist+Mono:wght@300;400;500;600&display=swap');

:root {
  /* Default: Warm Sand / Travertine Architectural Light Palette */
  --bg-primary: #F8F6F1;
  --bg-secondary: #EFECE4;
  --bg-card: rgba(255, 255, 255, 0.78);
  --bg-card-hover: rgba(255, 255, 255, 0.95);
  --bg-glass: rgba(248, 246, 241, 0.86);
  --bg-glass-strong: rgba(239, 236, 228, 0.96);
  --bg-subtle: rgba(70, 55, 40, 0.04);
  --bg-active: rgba(180, 83, 9, 0.08);

  /* Typography / Ink */
  --text-primary: #1C1917;
  --text-secondary: #57534E;
  --text-tertiary: #78716C;
  --text-muted: #A8A29E;
  --text-inverse: #FAF8F5;

  /* Architectural Hairlines */
  --border-subtle: rgba(44, 34, 25, 0.08);
  --border-medium: rgba(44, 34, 25, 0.14);
  --border-highlight: rgba(194, 94, 56, 0.45);
  --border-active: rgba(194, 94, 56, 0.85);

  /* Curated Color Theory: Warm Earth, Terracotta, Sage, Raw Amber */
  --accent-terracotta: #C25E38;
  --accent-terracotta-soft: rgba(194, 94, 56, 0.12);
  --accent-cognac: #9A3412;
  --accent-amber: #B45309;
  --accent-amber-soft: rgba(180, 83, 9, 0.12);
  --accent-sage: #4A6B5D;
  --accent-sage-soft: rgba(74, 107, 93, 0.12);
  --accent-espresso: #292524;

  /* Typography Stacks */
  --font-serif: 'Newsreader', Garamond, Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Geist Mono', 'SF Mono', Menlo, monospace;

  /* Metrics & Elevation */
  --container-max: 1400px;
  --header-height: 70px;
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --radius-pill: 9999px;

  /* Subtle Tangible Elevation (No Neon Blurs) */
  --shadow-sm: 0 1px 3px rgba(35, 25, 15, 0.05);
  --shadow-md: 0 4px 16px rgba(35, 25, 15, 0.07);
  --shadow-lg: 0 12px 32px rgba(35, 25, 15, 0.09);

  /* Transitions */
  --ease-smooth: cubic-bezier(0.25, 1, 0.5, 1);
  --transition-fast: 0.16s var(--ease-smooth);
  --transition-normal: 0.28s var(--ease-smooth);
}

[data-theme="dark"] {
  /* Warm Roasted Espresso & Obsidian Dark Palette */
  --bg-primary: #12100E;
  --bg-secondary: #1A1715;
  --bg-card: rgba(28, 25, 23, 0.75);
  --bg-card-hover: rgba(38, 34, 31, 0.9);
  --bg-glass: rgba(18, 16, 14, 0.86);
  --bg-glass-strong: rgba(26, 23, 21, 0.96);
  --bg-subtle: rgba(255, 245, 235, 0.04);
  --bg-active: rgba(217, 119, 6, 0.12);

  --text-primary: #F5F2EB;
  --text-secondary: #B8B0A5;
  --text-tertiary: #8C847A;
  --text-muted: #615A52;
  --text-inverse: #12100E;

  --border-subtle: rgba(240, 230, 215, 0.08);
  --border-medium: rgba(240, 230, 215, 0.14);
  --border-highlight: rgba(217, 119, 6, 0.45);
  --border-active: rgba(217, 119, 6, 0.8);

  --accent-terracotta: #E07A5F;
  --accent-terracotta-soft: rgba(224, 122, 95, 0.15);
  --accent-cognac: #EA580C;
  --accent-amber: #D97706;
  --accent-amber-soft: rgba(217, 119, 6, 0.15);
  --accent-sage: #6B9080;
  --accent-sage-soft: rgba(107, 144, 128, 0.15);
  --accent-espresso: #E7E5E4;

  --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
}

/* Base Resets */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Architectural Fine Grid Background Texture */
.bg-grid-overlay {
  position: fixed;
  inset: 0;
  background-image: 
    radial-gradient(circle at 50% 0%, var(--accent-terracotta-soft) 0%, transparent 60%),
    linear-gradient(to right, var(--border-subtle) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border-subtle) 1px, transparent 1px);
  background-size: 100% 100%, 56px 56px, 56px 56px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.7;
}

/* Typography Utility */
h1, h2, h3, h4, .font-serif {
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.font-sans { font-family: var(--font-sans); }
.font-mono { font-family: var(--font-mono); }

.text-terracotta { color: var(--accent-terracotta); }
.text-amber { color: var(--accent-amber); }
.text-sage { color: var(--accent-sage); }
.text-muted { color: var(--text-tertiary); }

/* Layout Containers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .container { padding: 0 2.5rem; }
}

@media (min-width: 1200px) {
  .container { padding: 0 3.5rem; }
}

/* Tactile Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent-terracotta);
  color: #FFFFFF;
  border-color: var(--accent-terracotta);
  box-shadow: 0 2px 8px var(--accent-terracotta-soft);
}

.btn-primary:hover {
  background-color: var(--accent-cognac);
  border-color: var(--accent-cognac);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border-medium);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--accent-terracotta);
  color: var(--accent-terracotta);
  transform: translateY(-1px);
}

.btn-outline-terracotta {
  background: transparent;
  color: var(--accent-terracotta);
  border-color: var(--accent-terracotta);
}

.btn-outline-terracotta:hover {
  background: var(--accent-terracotta);
  color: #FFFFFF;
}

.btn-sm {
  padding: 0.38rem 0.75rem;
  font-size: 0.7rem;
}

.btn-icon {
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Badges & Status Indicators */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.22rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--bg-subtle);
  color: var(--text-secondary);
}

.badge-live {
  background: var(--accent-sage-soft);
  border-color: rgba(74, 107, 93, 0.3);
  color: var(--accent-sage);
}

.badge-live .pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-sage);
  box-shadow: 0 0 6px var(--accent-sage);
  animation: pulse 2.2s infinite;
}

.badge-terracotta {
  background: var(--accent-terracotta-soft);
  border-color: rgba(194, 94, 56, 0.3);
  color: var(--accent-terracotta);
}

.badge-amber {
  background: var(--accent-amber-soft);
  border-color: rgba(180, 83, 9, 0.3);
  color: var(--accent-amber);
}

@keyframes pulse {
  0% { transform: scale(0.92); opacity: 0.75; }
  50% { transform: scale(1.25); opacity: 1; }
  100% { transform: scale(0.92); opacity: 0.75; }
}

/* Architectural Panels */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
}

.glass-panel:hover {
  border-color: var(--border-medium);
  box-shadow: var(--shadow-md);
}

/* Architectural Inscription Corners */
.tech-corner {
  position: relative;
}
.tech-corner::before,
.tech-corner::after {
  content: '';
  position: absolute;
  width: 7px;
  height: 7px;
  border-color: var(--accent-terracotta);
  pointer-events: none;
  opacity: 0.6;
}
.tech-corner::before {
  top: -1px;
  left: -1px;
  border-top: 1.5px solid;
  border-left: 1.5px solid;
}
.tech-corner::after {
  bottom: -1px;
  right: -1px;
  border-bottom: 1.5px solid;
  border-right: 1.5px solid;
}

/* Subtle Sepia Scrollbar */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: var(--radius-pill);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-terracotta);
}