@import url('https://fonts.cdnfonts.com/css/gotham');

:root {
  --bg: #050811;
  --card-bg: rgba(13, 20, 36, 0.65);
  --card-border: rgba(56, 189, 248, 0.2);
  --glass-glow: rgba(56, 189, 248, 0.15);
  
  --primary: #38bdf8;
  --primary-bright: #00f0ff;
  --primary-glow: rgba(0, 240, 255, 0.4);
  --primary-gradient: linear-gradient(135deg, #00b4db 0%, #0083b0 100%);
  --button-glow: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.3);
  --error: #ef4444;
  --error-glow: rgba(239, 68, 68, 0.3);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Gotham', 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  letter-spacing: -0.01em;
}

body {
  background-color: var(--bg);
  background-image: 
    radial-gradient(circle at 20% 15%, rgba(14, 165, 233, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 80% 75%, rgba(99, 102, 241, 0.12) 0%, transparent 40%);
  background-attachment: fixed;
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 24px;
}

/* 1. MODAL OVERLAY & LOCK SCREEN */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(5, 8, 17, 0.85);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 440px;
  text-align: center;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: 36px;
  box-shadow: 
    0 30px 60px -12px rgba(0, 0, 0, 0.8),
    0 0 30px var(--glass-glow),
    inset 0 1px 1px rgba(255, 255, 255, 0.2);
}

/* 2. CONTAINERS & ELEVATED GLASS CARDS */
.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: 32px;
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  margin-bottom: 24px;
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.6),
    inset 0 1px 1px rgba(255, 255, 255, 0.15),
    0 0 20px rgba(56, 189, 248, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  box-shadow: 
    0 25px 50px rgba(0, 0, 0, 0.7),
    inset 0 1px 1px rgba(255, 255, 255, 0.25),
    0 0 30px rgba(56, 189, 248, 0.12);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  background: rgba(0, 240, 255, 0.08);
  color: var(--primary-bright);
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: 30px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 12px;
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.2);
}

h1, h2, h3 {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-top: 6px;
  line-height: 1.5;
}

/* 3. FORM ELEMENTS & INPUTS */
.form-group {
  margin-bottom: 20px;
  text-align: left;
}

.form-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

input[type="text"],
input[type="password"],
input[type="url"],
input[type="number"],
input[type="date"],
input[type="time"],
select {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  color: #fff;
  font-size: 0.95rem;
  outline: none;
  backdrop-filter: blur(10px);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.4);
  transition: all 0.25s ease;
}

input:focus, select:focus {
  border-color: var(--primary-bright);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 
    inset 0 2px 4px rgba(0, 0, 0, 0.4),
    0 0 20px var(--primary-glow);
}

/* 4. BUTTONS */
button, .btn-primary, .btn-secondary {
  cursor: pointer;
  border-radius: 14px;
  font-weight: 700;
  font-size: 0.92rem;
  padding: 14px 24px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  width: 100%;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

.btn-primary {
  background: var(--button-glow);
  color: #030712;
  font-weight: 800;
  box-shadow: 
    0 4px 20px var(--primary-glow),
    inset 0 1px 1px rgba(255, 255, 255, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 
    0 8px 25px var(--primary-glow),
    inset 0 1px 1px rgba(255, 255, 255, 0.6);
  filter: brightness(1.1);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  border: 1px solid var(--card-border);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(56, 189, 248, 0.4);
  transform: translateY(-2px);
}

/* 5. TAB BUTTONS */
.tab-container {
  display: flex;
  gap: 8px;
  background: rgba(0, 0, 0, 0.4);
  padding: 6px;
  border-radius: 16px;
  border: 1px solid var(--card-border);
  margin-bottom: 20px;
}

.tab-btn {
  background: transparent;
  color: var(--text-muted);
  border: none;
  padding: 10px 20px;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 12px;
  cursor: pointer;
  flex: 1;
  transition: all 0.25s ease;
}

.tab-btn.active {
  background: var(--card-bg);
  color: var(--primary-bright);
  border: 1px solid var(--card-border);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5), 0 0 15px var(--glass-glow);
}

/* 6. STATUS MESSAGES & TOASTS */
.status-box {
  padding: 14px 18px;
  border-radius: 14px;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 18px;
  backdrop-filter: blur(12px);
}

.status-box.success {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #34d399;
  box-shadow: 0 0 15px var(--success-glow);
}

.status-box.error {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #f87171;
  box-shadow: 0 0 15px var(--error-glow);
}

/* 7. LIVE ATTENDANCE FEED ITEMS */
.feed-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feed-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  backdrop-filter: blur(10px);
  transition: all 0.2s ease;
}

.feed-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(56, 189, 248, 0.3);
}

.feed-item strong {
  color: #fff;
  font-size: 0.95rem;
}

.feed-item small {
  color: var(--text-dim);
  font-size: 0.82rem;
  margin-left: 8px;
}