:root {
  --primary-color: #6c63ff;
  --secondary-color: #ff6584;
  --bg-color: #0d1117;
  --card-bg: rgba(255, 255, 255, 0.05);
  --text-main: #f0f6fc;
  --text-muted: #8b949e;
  --success: #238636;
  --danger: #da3633;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', -apple-system, sans-serif;
}

body {
  background: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 50%, rgba(108, 99, 255, 0.15), transparent 25%),
    radial-gradient(circle at 85% 30%, rgba(255, 101, 132, 0.15), transparent 25%);
}

.glass-panel {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 40px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
  text-align: center;
  animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  width: 90%;
  max-width: 500px;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

p {
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.5;
}

input {
  width: 100%;
  padding: 16px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(0, 0, 0, 0.2);
  color: white;
  font-size: 1.1rem;
  margin-bottom: 24px;
  outline: none;
  transition: border-color 0.3s;
}

input:focus {
  border-color: var(--primary-color);
}

button {
  width: 100%;
  padding: 16px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(108, 99, 255, 0.4);
}

button:active {
  transform: translateY(0);
}

.success-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(35, 134, 54, 0.2);
  color: var(--success);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  margin: 0 auto 24px;
  border: 2px solid var(--success);
  animation: popIn 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes popIn {
  0% { transform: scale(0.5); opacity: 0; }
  70% { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}

/* Loader */
.spinner {
  border: 4px solid rgba(255, 255, 255, 0.1);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border-left-color: var(--primary-color);
  animation: spin 1s linear infinite;
  margin: 0 auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Projector Specifics */
.projector-view {
  max-width: 80vw;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
}

.qr-container {
  background: white;
  padding: 24px;
  border-radius: 24px;
  box-shadow: 0 0 40px rgba(108, 99, 255, 0.3);
  animation: pulseShadow 2s infinite;
}

@keyframes pulseShadow {
  0% { box-shadow: 0 0 40px rgba(108, 99, 255, 0.3); }
  50% { box-shadow: 0 0 60px rgba(255, 101, 132, 0.4); }
  100% { box-shadow: 0 0 40px rgba(108, 99, 255, 0.3); }
}

/* Admin Specifics */
.admin-container {
  max-width: 1000px;
  width: 95%;
  margin: 40px auto;
  align-items: flex-start;
  justify-content: flex-start;
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding-bottom: 20px;
}

.controls {
  display: flex;
  gap: 16px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

th, td {
  padding: 16px;
  text-align: left;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

th {
  color: var(--text-muted);
  font-weight: 500;
}

tr {
  animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}