/* Modern colorful theme with light/dark modes - Mobile-first */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Base variables (light as default) */
:root {
  /* Theme colors */
  --bg: #F97316;              /* orange background (light mode) */
  --bg-elevated: rgba(255, 255, 255, 0.9);
  --text-main: #111827;
  --text-muted: #4b5563;
  --accent: #16a34a;          /* green accent */
  --accent-dark: #15803d;
  --border-subtle: rgba(15, 118, 110, 0.25);

  /* Shared decorative values */
  --primary-gradient: linear-gradient(135deg, #f97316, #16a34a, #0ea5e9);
  --glass-bg: rgba(255, 255, 255, 0.9);
  --glass-border: var(--border-subtle);
  --accent-glow: 0 0 20px rgba(249, 115, 22, 0.45);
}

/* Dark theme override */
body.theme-dark {
  --bg: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
  --bg-elevated: rgba(15, 23, 42, 0.9);
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --accent: #8b5cf6;
  --accent-dark: #7c3aed;
  --border-subtle: rgba(148, 163, 184, 0.4);

  --primary-gradient: linear-gradient(135deg, #8b5cf6, #06b6d4, #f59e0b);
  --glass-bg: rgba(15, 23, 42, 0.85);
  --glass-border: rgba(148, 163, 184, 0.4);
  --accent-glow: 0 0 20px rgba(139, 92, 246, 0.5);
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
}

/* NAVBAR */
.navbar-dev {
  background: var(--primary-gradient);
  box-shadow: var(--accent-glow), 0 8px 32px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.navbar-brand {
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  background: linear-gradient(45deg, #ffffff, #e0e7ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-link {
  color: rgba(255, 255, 255, 0.95) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  margin: 0 0.25rem;
  border-radius: 12px;
  position: relative;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.35);
}

/* Hero section */
.hero {
  padding: 4rem 0;
}

.hero-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: var(--accent-glow), 0 20px 40px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.hero-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.35);
  border-color: rgba(249, 115, 22, 0.7);
}

/* Glass card for form and snapshot */
.glass-card {
  background: var(--glass-bg);
  border-radius: 20px;
  border: 1px solid var(--glass-border);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(16px);
}

/* Buttons */
.btn-primary-modern {
  background: var(--accent);
  border: none;
  border-radius: 16px;
  padding: 0.75rem 2rem;
  font-weight: 600;
  color: #ffffff;
  box-shadow: 0 12px 30px rgba(22, 163, 74, 0.6);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn-primary-modern:hover {
  background: var(--accent-dark);
  transform: translateY(-3px);
  box-shadow: 0 20px 40px rgba(22, 163, 74, 0.75);
}

.btn-primary-modern::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.35),
    transparent
  );
  transition: left 0.5s;
}

.btn-primary-modern:hover::before {
  left: 100%;
}

.btn-secondary-modern {
  background: rgba(17, 24, 39, 0.85);
  border: none;
  color: #ffffff;
  border-radius: 16px;
  padding: 0.75rem 1.5rem;
  backdrop-filter: blur(10px);
  transition: all 0.2s ease;
}

body.theme-dark .btn-secondary-modern {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary-modern:hover {
  background: rgba(17, 24, 39, 1);
  transform: translateY(-2px);
}

/* Form styling */
.form-control-modern {
  background: #ffffff;
  border: 1px solid rgba(148, 163, 184, 0.6);
  border-radius: 10px;
  color: var(--text-main);
  padding: 0.5rem 0.85rem;
  font-size: 0.9rem;
  height: 2.5rem;
}

body.theme-dark .form-control-modern {
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.6);
  color: #f9fafb;
}

textarea.form-control-modern {
  height: auto;
  min-height: 150px;           /* more rectangular */
  padding-top: 0.7rem;
  padding-bottom: 0.7rem;
}

/* Labels & help text */
.form-label {
  font-size: 0.8rem;
  margin-bottom: 0.2rem;
  color: var(--text-main);
}

body.theme-dark .form-label {
  color: #e5e7eb;
}

.form-text {
  font-size: 0.75rem;
  color: var(--text-muted);
}

body.theme-dark .form-text {
  color: #9ca3af;
}

/* Override Bootstrap-style utility classes for our themes */
.text-light {
  color: var(--text-main) !important;
}

body.theme-dark .text-light {
  color: #e5e7eb !important;
}

.text-secondary {
  color: var(--text-muted) !important;
}
/* Align form rows a bit tighter */
#ask .row.g-3 {
  row-gap: 0.75rem;
}

/* Card component */
.card-modern {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 1.5rem;
  backdrop-filter: blur(12px);
  transition: all 0.3s ease;
}

.card-modern:hover {
  transform: translateY(-5px);
  border-color: rgba(249, 115, 22, 0.8);
  box-shadow: var(--accent-glow);
}

/* Notifications (unchanged from your JS) */
.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 1rem 1.5rem;
  border-radius: 12px;
  color: white;
  font-weight: 500;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  z-index: 1000;
  transform: translateX(400px);
  animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.notification-success {
  background: linear-gradient(135deg, #16a34a, #15803d);
}

.notification-error {
  background: linear-gradient(135deg, #ef4444, #dc2626);
}

@keyframes slideIn {
  to {
    transform: translateX(0);
  }
}

.notification-close {
  background: none;
  border: none;
  color: inherit;
  font-size: 1.2rem;
  cursor: pointer;
  margin-left: 1rem;
}

/* Error and loading states */
.error {
  border-color: #f87171 !important;
}

.loading {
  opacity: 0.7;
}

/* Responsive tweaks */
@media (max-width: 768px) {
  .hero {
    padding: 2rem 0;
  }

  .navbar-brand {
    font-size: 1.2rem;
  }
}
/* Theme toggle button */
.theme-toggle-wrapper {
  margin-left: auto;
  margin-right: 1rem;
}

.btn-theme-toggle {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  position: relative;
}

.btn-theme-toggle:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.sun-icon, .moon-icon {
  font-size: 1.2rem;
  transition: opacity 0.3s ease;
}

body.theme-dark .sun-icon {
  opacity: 1;
}

body:not(.theme-dark) .moon-icon {
  opacity: 1;
}

body.theme-dark .moon-icon,
body:not(.theme-dark) .sun-icon {
  opacity: 0;
  position: absolute;
}

/* Mobile navbar toggle positioning */
@media (max-width: 991px) {
  .theme-toggle-wrapper {
    order: 3;
    margin-right: 0;
  }
}
/* Improve muted text contrast inside glass-card */
.glass-card .text-muted,
.glass-card .small.text-muted {
  color: var(--text-muted) !important;
}

body.theme-dark .glass-card .text-muted,
body.theme-dark .glass-card .small.text-muted {
  color: #cbd5f5 !important; /* lighter muted color for dark mode */
}
.form-control-modern::placeholder {
  color: rgba(148, 163, 184, 0.9);
}

body.theme-dark .form-control-modern::placeholder {
  color: rgba(148, 163, 184, 0.8);
}