@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&family=Fira+Code:wght@400;500&display=swap');
@import "tailwindcss";

@theme {
  --font-sans: "Outfit", "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-display: "Space Grotesk", sans-serif;
  --font-mono: "Fira Code", monospace;
}

/* Base custom styles to enable smooth scrolling and fine layout */
html, body {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
}

/* Glassmorphism custom classes */
.glass-container {
  background: rgba(20, 20, 20, 0.45);
  backdrop-filter: blur(24px) saturate(120%);
  -webkit-backdrop-filter: blur(24px) saturate(120%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.5);
}

.glass-navbar {
  background: rgba(12, 12, 12, 0.5);
  backdrop-filter: blur(30px) saturate(130%);
  -webkit-backdrop-filter: blur(30px) saturate(130%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.glass-card {
  background: rgba(30, 30, 30, 0.35);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 8px 24px 0 rgba(0, 0, 0, 0.25);
}

.glass-card-hover {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.glass-card-hover:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(229, 9, 20, 0.4);
  box-shadow: 0 12px 36px 0 rgba(229, 9, 20, 0.18);
  transform: translateY(-5px);
}

.glass-input {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.07);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.glass-input:focus {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(229, 9, 20, 0.6);
  box-shadow: 0 0 16px rgba(229, 9, 20, 0.25);
}

.glass-btn-primary {
  background: linear-gradient(135deg, rgba(229, 9, 20, 0.85) 0%, rgba(184, 7, 15, 0.95) 100%);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 15px rgba(229, 9, 20, 0.3);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.glass-btn-primary:hover {
  background: linear-gradient(135deg, rgba(229, 9, 20, 0.98) 0%, rgba(184, 7, 15, 1) 100%);
  box-shadow: 0 6px 20px rgba(229, 9, 20, 0.5);
  transform: translateY(-1px);
}

.glass-btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.2s ease;
}
.glass-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
}

.glass-accordion-header {
  background: rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.glass-badge {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* ── Modal system animations ── */
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slide-up {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.animate-fade-in {
  animation: fade-in 0.18s ease-out forwards;
}

.animate-slide-up {
  animation: slide-up 0.22s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* ── Custom scrollbar ── */
.custom-scrollbar::-webkit-scrollbar { width: 4px; height: 4px; }
.custom-scrollbar::-webkit-scrollbar-track { background: transparent; }
.custom-scrollbar::-webkit-scrollbar-thumb { background: rgba(229,9,20,0.35); border-radius: 99px; }
.custom-scrollbar::-webkit-scrollbar-thumb:hover { background: rgba(229,9,20,0.6); }

/* ── Lesson shelf animation ── */
@keyframes lesson-shelf-in {
  from { opacity: 0; transform: translateY(-12px); max-height: 0; }
  to   { opacity: 1; transform: translateY(0);      max-height: 600px; }
}
.lesson-shelf-enter {
  animation: lesson-shelf-in 0.38s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  overflow: hidden;
}

/* ── Fix autocomplete white background on dark inputs ── */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
input:-webkit-autofill:active {
  -webkit-box-shadow: 0 0 0 60px #1a1a1a inset !important;
  -webkit-text-fill-color: #fff !important;
  caret-color: #fff;
  transition: background-color 5000s ease-in-out 0s;
}

/* ── Fix select dropdown options styling globally ── */
select {
  color-scheme: dark;
}
select option {
  background-color: #1a1a1a;
  color: #ffffff;
}