/* =============================================
   THEME SYSTEM — CSS Custom Properties
   ============================================= */
:root {
  --brand: #4f46e5;
  --brand-hover: #4338ca;
  --brand-light: #e0e7ff;
  --bg: #f8fafc;
  --surface: #ffffff;
  --border: #e2e8f0;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --card-bg: #ffffff;
  --card-hover-bg: #ffffff;
  --subtle-bg: #f8fafc;
  --ring: #ffffff;
  --shadow: 0 8px 30px rgb(0,0,0,0.04);
  --shadow-hover: 0 20px 40px rgb(0,0,0,0.08);
  --icon-bg: #f8fafc;
  --skill-track: #e2e8f0;
  --input-bg: #ffffff;
}

[data-theme="dark"] {
  --brand: #818cf8;
  --brand-hover: #6366f1;
  --brand-light: rgba(99,102,241,0.15);
  --bg: #0f172a;
  --surface: #1e293b;
  --border: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --card-bg: #1e293b;
  --card-hover-bg: #253449;
  --subtle-bg: #1a2536;
  --ring: #1e293b;
  --shadow: 0 8px 30px rgb(0,0,0,0.3);
  --shadow-hover: 0 20px 40px rgb(0,0,0,0.4);
  --icon-bg: #253449;
  --skill-track: #334155;
  --input-bg: #253449;
}

/* Apply theme variables globally */
body[data-theme="dark"] { background: var(--bg); color: var(--text-secondary); }
[data-theme="dark"] .bg-background { background: var(--bg) !important; }
[data-theme="dark"] .bg-surface { background: var(--surface) !important; }
[data-theme="dark"] .bg-white { background: var(--card-bg) !important; }
[data-theme="dark"] .border-border { border-color: var(--border) !important; }
[data-theme="dark"] .bg-slate-50 { background: var(--subtle-bg) !important; }
[data-theme="dark"] .bg-slate-100 { background: var(--icon-bg) !important; }
[data-theme="dark"] .bg-slate-200 { background: var(--skill-track) !important; }

/* Text overrides */
[data-theme="dark"] .text-slate-900 { color: var(--text-primary) !important; }
[data-theme="dark"] .text-slate-800 { color: var(--text-primary) !important; }
[data-theme="dark"] .text-slate-700 { color: var(--text-secondary) !important; }
[data-theme="dark"] .text-slate-600 { color: var(--text-secondary) !important; }
[data-theme="dark"] .text-slate-500 { color: var(--text-muted) !important; }
[data-theme="dark"] .text-slate-400 { color: var(--text-muted) !important; }

/* Brand color in dark */
[data-theme="dark"] .text-brand { color: var(--brand) !important; }
[data-theme="dark"] .bg-brand { background: var(--brand) !important; }
[data-theme="dark"] .bg-brand-light { background: var(--brand-light) !important; }
[data-theme="dark"] .bg-brand-light\/50 { background: var(--brand-light) !important; }

/* Surfaces & cards */
[data-theme="dark"] .shadow-\[0_8px_30px_rgb\(0\,0\,0\,0\.04\)\] { box-shadow: var(--shadow) !important; }
[data-theme="dark"] .ring-surface { --tw-ring-color: var(--ring) !important; }
[data-theme="dark"] .ring-white { --tw-ring-color: var(--ring) !important; }

/* Navbar */
[data-theme="dark"] .bg-slate-50\/90 { background: rgba(30,41,59,0.9) !important; }
[data-theme="dark"] .lg\:bg-surface\/80 { background: rgba(30,41,59,0.8) !important; }

/* Form inputs */
[data-theme="dark"] input, [data-theme="dark"] textarea { background: var(--input-bg) !important; color: var(--text-primary) !important; border-color: var(--border) !important; }
[data-theme="dark"] input::placeholder, [data-theme="dark"] textarea::placeholder { color: var(--text-muted) !important; }

/* Gradient bar */
[data-theme="dark"] .from-brand { --tw-gradient-from: var(--brand) !important; }
[data-theme="dark"] .to-brand-light { --tw-gradient-to: var(--brand-light) !important; }

/* Hover overrides */
[data-theme="dark"] .hover\:bg-white:hover { background: var(--card-hover-bg) !important; }
[data-theme="dark"] .hover\:bg-slate-50:hover { background: var(--icon-bg) !important; }
[data-theme="dark"] .hover\:bg-slate-100:hover { background: var(--icon-bg) !important; }

/* Shadow inner for dark */
[data-theme="dark"] .shadow-inner { box-shadow: inset 0 2px 4px 0 rgb(0 0 0 / 0.15) !important; }

/* =============================================
   DARK MODE — Colored background overrides
   Award cards, icon containers, etc.
   ============================================= */

/* Amber (awards: Innovation Collective Star Performer) */
[data-theme="dark"] .bg-amber-50 { background: rgba(245,158,11,0.12) !important; }
[data-theme="dark"] .bg-amber-100 { background: rgba(245,158,11,0.2) !important; }
[data-theme="dark"] .border-amber-100 { border-color: rgba(245,158,11,0.25) !important; }

/* Blue (awards: Best Consultant) */
[data-theme="dark"] .bg-blue-50 { background: rgba(59,130,246,0.12) !important; }
[data-theme="dark"] .bg-blue-100 { background: rgba(59,130,246,0.2) !important; }
[data-theme="dark"] .border-blue-100 { border-color: rgba(59,130,246,0.25) !important; }

/* Green (awards: Extra Mile Award) */
[data-theme="dark"] .bg-green-50 { background: rgba(34,197,94,0.12) !important; }
[data-theme="dark"] .bg-green-100 { background: rgba(34,197,94,0.2) !important; }
[data-theme="dark"] .border-green-100 { border-color: rgba(34,197,94,0.25) !important; }

/* Purple (recognition: Star Performer of the Year) */
[data-theme="dark"] .bg-purple-50 { background: rgba(168,85,247,0.12) !important; }

/* Indigo (recognition: Community Speaker) */
[data-theme="dark"] .bg-indigo-50 { background: rgba(99,102,241,0.12) !important; }

/* Emerald (community: AI Enablement Programs) */
[data-theme="dark"] .bg-emerald-50 { background: rgba(16,185,129,0.12) !important; }

/* Violet (community: Microsoft Garage Hackathons) */
[data-theme="dark"] .bg-violet-50 { background: rgba(139,92,246,0.12) !important; }

/* Sky (community: Odyssey & Mastery Programs) */
[data-theme="dark"] .bg-sky-50 { background: rgba(14,165,233,0.12) !important; }

/* =============================================
   DARK MODE — Text contrast improvements
   ============================================= */
/* Placeholder icons (gallery) — very low contrast fix */
[data-theme="dark"] .text-slate-300 { color: var(--text-muted) !important; }

/* Muted text boost for dark readability */
[data-theme="dark"] .text-slate-500 { color: #94a3b8 !important; }

/* Dashed border (gallery help box) */
[data-theme="dark"] .border-slate-300 { border-color: var(--border) !important; }

/* =============================================
   DARK MODE — Modal
   ============================================= */
[data-theme="dark"] [data-modal-container] section { background: var(--surface) !important; border-color: var(--border) !important; }
[data-theme="dark"] [data-modal-container] .bg-slate-50 { background: var(--icon-bg) !important; }

/* =============================================
   DARK MODE — Portfolio mobile select dropdown
   ============================================= */
[data-theme="dark"] [data-select] { background: var(--card-bg) !important; color: var(--text-primary) !important; border-color: var(--border) !important; }
[data-theme="dark"] [data-select-list] { background: var(--card-bg) !important; border-color: var(--border) !important; }
[data-theme="dark"] [data-select-list] li { color: var(--text-secondary) !important; }
[data-theme="dark"] [data-select-list] li:hover { background: var(--icon-bg) !important; }

/* Theme toggle button */
.theme-toggle {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 12px rgb(0,0,0,0.1);
  z-index: 100;
  transition: all 0.3s ease;
  font-size: 1.25rem;
}
.theme-toggle:hover {
  background: var(--brand);
  color: white;
  box-shadow: 0 4px 20px rgba(79,70,229,0.3);
  transform: scale(1.1);
}

/* Smooth transition for theme switch */
body, aside, nav, article, div, section, ul, li, a, p, h1, h2, h3, h4, h5, input, textarea, button, figure {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* Fade In Animation */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Cert carousel */
.cert-carousel {
  overflow-x: auto;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.cert-carousel::-webkit-scrollbar { display: none; }
.cert-carousel:hover .cert-card { animation-play-state: paused; }