/* ============================================
   GLOBAL DESIGN SYSTEM - VOTING APP
   Glassmorphism + Liquid Animations + School Background
============================================ */

/* ---------- CSS VARIABLES (Light Theme) ---------- */
:root {
  /* Primary Colors */
  --primary: #6c63ff;
  --primary-light: #9d8dff;
  --primary-dark: #4a42c4;

  /* Secondary Colors */
  --secondary: #ff6584;
  --secondary-light: #ff8fa3;
  --secondary-dark: #e04e6e;

  /* Success / Positive */
  --success: #00d09c;
  --success-light: #2ecfaa;

  /* Warning / Danger */
  --warning: #ffb347;
  --danger: #ff4757;

  /* Neutrals for glass (mostly white with opacity) */
  --glass-white: rgba(255, 255, 255, 0.15);
  --glass-white-strong: rgba(255, 255, 255, 0.25);
  --glass-black: rgba(0, 0, 0, 0.3);

  /* Shadows */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.16);
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.2);

  /* Gradients */
  --gradient-primary: linear-gradient(
    135deg,
    var(--primary),
    var(--primary-light)
  );
  --gradient-success: linear-gradient(
    135deg,
    var(--success),
    var(--success-light)
  );
  --gradient-danger: linear-gradient(135deg, var(--danger), var(--secondary));
  --gradient-glass: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.2),
    rgba(255, 255, 255, 0.05)
  );

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;

  /* Border Radius */
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --radius-full: 9999px;

  /* Transitions - cubic-bezier for liquid feel */
  --transition-fast: 0.2s cubic-bezier(0.2, 0.9, 0.4, 1.1);
  --transition-normal: 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
  --transition-slow: 0.5s cubic-bezier(0.2, 0.9, 0.4, 1.1);

  /* Z-index layers */
  --z-footer: 10;
  --z-header: 100;
  --z-modal: 1000;
  --z-toast: 1100;
}

/* ---------- RESET & BASE ---------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

/* Body with school building background & dark overlay */
body {
  font-family:
    "Poppins",
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    sans-serif;
  color: #ffffff;
  line-height: 1.5;
  min-height: 100vh;
  position: relative;
  background: #1a1a2e; /* fallback */
}

/* Dark overlay for text readability and to make glass pop */
/* Background image (separate layer) */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("../images/school-bg.jpg") no-repeat center center;
  background-size: cover;
  z-index: -2;
  pointer-events: none;
}
/* Dark overlay (separate layer) */
body::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.45);
  z-index: -1;
  pointer-events: none;
}

/* ---------- TYPOGRAPHY ---------- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: #ffffff;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}
h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
}
h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}
h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--spacing-sm);
  color: rgba(255, 255, 255, 0.8);
}

a {
  text-decoration: none;
  color: var(--primary-light);
  transition: color var(--transition-fast);
}

a:hover {
  color: white;
}

/* ---------- GLASS CARD (Enhanced with reflections) ---------- */
.glass-card {
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glass);
  transition:
    transform var(--transition-normal),
    box-shadow var(--transition-normal);
}

/* Top edge static highlight (reflection) */
.glass-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 30%;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.25),
    transparent
  );
  pointer-events: none;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

/* Sweeping light reflection on hover */
.glass-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transform: skewX(-15deg);
  transition: left 0.6s cubic-bezier(0.2, 0.9, 0.4, 1.1);
  pointer-events: none;
}

.glass-card:hover::before {
  left: 100%;
}

.glass-card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Standard card (non-glass, but we can reuse same hover) */
.card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-xl);
  background: rgba(255, 255, 255, 0.15);
}

/* ---------- BUTTONS (Liquid feel) ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
  background: var(--glass-white-strong);
  color: white;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(4px);
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-lg);
}

.btn-success {
  background: var(--gradient-success);
  color: white;
}

.btn-danger {
  background: var(--gradient-danger);
  color: white;
}

.btn-outline {
  background: transparent;
  border: 2px solid white;
  color: white;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px) scale(1.02);
}

.btn:active {
  transform: scale(0.98);
}

/* ---------- FORMS (Glass style) ---------- */
.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
}

input,
select,
textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: all var(--transition-fast);
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(4px);
  color: white;
}

input::placeholder,
select::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary-light);
  background: rgba(255, 255, 255, 0.25);
  box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.2);
}

/* ---------- LOADING SKELETON ---------- */
.skeleton {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.1) 25%,
    rgba(255, 255, 255, 0.2) 50%,
    rgba(255, 255, 255, 0.1) 75%
  );
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* ---------- TOAST NOTIFICATIONS (Glass) ---------- */
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(12px);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 1rem;
  z-index: var(--z-toast);
  transform: translateX(120%);
  transition: transform var(--transition-normal);
  max-width: 350px;
  font-weight: 500;
  color: white;
}

.toast.show {
  transform: translateX(0);
}

.toast.success {
  border-left-color: var(--success);
}
.toast.error {
  border-left-color: var(--danger);
}
.toast.warning {
  border-left-color: var(--warning);
}

.toast-icon {
  font-size: 1.5rem;
}

.toast-message {
  flex: 1;
}

/* ---------- FOOTER (Glass style) ---------- */
.footer {
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(12px);
  color: white;
  padding: var(--spacing-lg) var(--spacing-xl);
  margin-top: var(--spacing-xl);
  text-align: center;
  font-size: 0.875rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer a {
  color: var(--primary-light);
}

.footer a:hover {
  color: white;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

/* ---------- RESPONSIVE UTILITIES ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.text-center {
  text-align: center;
}
.mt-1 {
  margin-top: var(--spacing-xs);
}
.mt-2 {
  margin-top: var(--spacing-sm);
}
.mt-3 {
  margin-top: var(--spacing-md);
}
.mb-1 {
  margin-bottom: var(--spacing-xs);
}
.mb-2 {
  margin-bottom: var(--spacing-sm);
}
.mb-3 {
  margin-bottom: var(--spacing-md);
}

/* ---------- LIQUID ANIMATIONS ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes liquidFloat {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-5px);
  }
  100% {
    transform: translateY(0px);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.8;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.liquid-float {
  animation: liquidFloat 6s ease-in-out infinite;
}

/* Subtle liquid movement for main containers (optional) */
.login-wrapper,
.vote-container,
.results-container {
  animation: liquidFloat 8s ease-in-out infinite;
}

/* ---------- SCROLLBAR BEAUTIFICATION ---------- */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-light);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* ---------- RESPONSIVE (Mobile First) ---------- */
@media (max-width: 768px) {
  .glass-card {
    backdrop-filter: blur(8px); /* Slightly less blur on mobile */
  }
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
  .liquid-float {
    animation: none; /* Reduce motion on mobile for performance */
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
  }
  .btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
  }
  .card,
  .glass-card {
    border-radius: var(--radius-md);
  }
}

/* Update the existing select rule */
input,
select,
textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: all var(--transition-fast);
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(4px);
  color: white;
}

/* For select dropdown options (the popup menu) – not all browsers support, but we can style the select itself) */
select option {
  background: rgba(30, 30, 40, 0.95);
  color: white;
}

body {
  background-color: #1a1a2e;
  background-image: url("../images/school-bg.jpg");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

.glass-card {
  background: rgba(0, 0, 0, 0.7); /* fallback for iOS */
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(12px);
}