/* Premium Styling for Telegram SSO Web App */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Design Tokens */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Color Palette (Deep dark universe with rich violet and teal accents) */
  --bg-primary: #0a0a14;
  --bg-secondary: #111122;
  --bg-card: rgba(20, 20, 40, 0.65);
  --bg-card-hover: rgba(30, 30, 60, 0.8);
  --border-card: rgba(255, 255, 255, 0.08);
  --border-card-hover: rgba(147, 51, 234, 0.4);
  
  --color-text-primary: #f3f4f6;
  --color-text-secondary: #9ca3af;
  --color-text-muted: #6b7280;

  --accent-purple: #9333ea;
  --accent-purple-glow: rgba(147, 51, 234, 0.25);
  --accent-blue: #3b82f6;
  --accent-blue-glow: rgba(59, 130, 246, 0.25);
  --accent-teal: #10b981;
  --accent-tg: #229ED9;
  --accent-tg-hover: #1e8bbd;
  
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --glow-shadow: 0 0 30px var(--accent-purple-glow);
}

/* Base resets */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--color-text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  overflow-x: hidden;
  position: relative;
}

/* Background animated glow orbs */
body::before, body::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  z-index: -1;
  filter: blur(120px);
  opacity: 0.25;
  pointer-events: none;
}

body::before {
  background: radial-gradient(circle, var(--accent-purple) 0%, transparent 70%);
  top: 10%;
  left: 10%;
  animation: floatOrb 15s infinite alternate ease-in-out;
}

body::after {
  background: radial-gradient(circle, var(--accent-blue) 0%, transparent 70%);
  bottom: 10%;
  right: 10%;
  animation: floatOrb 20s infinite alternate-reverse ease-in-out;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(60px, 40px) scale(1.1); }
}

/* Main Container Layout */
main {
  width: 100%;
  max-width: 1100px;
  padding: 2.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-grow: 1;
}

/* Glassmorphism Card Style */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-card);
  border-radius: 20px;
  padding: 2.5rem;
  width: 100%;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4), var(--glow-shadow);
  transition: var(--transition-smooth);
}

.glass-card:hover {
  border-color: var(--border-card-hover);
  box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.5), 0 0 35px rgba(147, 51, 234, 0.15);
}

/* Headings & Typography */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, #fff 0%, #a855f7 50%, #3b82f6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Login Page Styling */
.login-container {
  max-width: 480px;
  text-align: center;
  margin-top: 10vh;
}

.logo-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 2.2rem;
  box-shadow: 0 0 20px rgba(147, 51, 234, 0.4);
}

.login-title {
  font-size: 2.2rem;
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.login-subtitle {
  color: var(--color-text-secondary);
  font-size: 1rem;
  margin-bottom: 2.5rem;
  line-height: 1.5;
}

/* Telegram login widget container */
.widget-area {
  margin: 2rem 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 45px;
}

/* Alert Notifications */
.alert {
  padding: 1rem 1.25rem;
  border-radius: 12px;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  display: none;
  align-items: center;
  gap: 0.75rem;
  text-align: left;
}

.alert-error {
  background-color: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

.alert-info {
  background-color: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: #93c5fd;
}

/* Welcome Dashboard Styling */
.dashboard-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2.5rem;
  gap: 1.5rem;
}

.welcome-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.welcome-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 2px solid var(--accent-purple);
  object-fit: cover;
  background-color: var(--bg-secondary);
}

.welcome-text h2 {
  font-size: 1.5rem;
  font-weight: 600;
}

.welcome-text p {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
}

/* Logout Button */
.btn-logout {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--border-card);
  padding: 0.6rem 1.2rem;
  border-radius: 10px;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition-smooth);
}

.btn-logout:hover {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.3);
}

.welcome-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

/* Table Container & Table styling */
.table-title-area {
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.table-title-area h3 {
  font-size: 1.3rem;
  color: var(--color-text-primary);
}

.user-count-badge {
  background: rgba(147, 51, 234, 0.15);
  color: #c084fc;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
}

.table-wrapper {
  width: 100%;
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(10, 10, 20, 0.3);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 600px;
}

th, td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  vertical-align: middle;
}

th {
  background-color: rgba(17, 17, 34, 0.8);
  color: var(--color-text-secondary);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

tr {
  transition: var(--transition-smooth);
}

tr:hover td {
  background-color: rgba(255, 255, 255, 0.02);
}

tr:last-child td {
  border-bottom: none;
}

/* Table row details */
.user-cell {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.table-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  background: linear-gradient(135deg, #a855f7, #3b82f6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: white;
  font-size: 1rem;
}

.user-names {
  display: flex;
  flex-direction: column;
}

.user-fullname {
  font-weight: 500;
  color: var(--color-text-primary);
}

.user-username-link {
  color: var(--accent-tg);
  text-decoration: none;
  font-size: 0.8rem;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  transition: var(--transition-smooth);
}

.user-username-link:hover {
  text-decoration: underline;
  color: var(--accent-tg-hover);
}

.badge-id {
  font-family: monospace;
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text-secondary);
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  font-size: 0.8rem;
}

.date-text {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* Mock Authentication Section for testing */
.mock-section {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.mock-title {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-purple);
  font-weight: 600;
}

.btn-mock {
  background: linear-gradient(135deg, #a855f7, #3b82f6);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 15px rgba(168, 85, 247, 0.3);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-mock:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(168, 85, 247, 0.5);
}

/* Footer styling */
footer {
  width: 100%;
  text-align: center;
  padding: 2rem 1.5rem;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  margin-top: auto;
}

footer a {
  color: var(--accent-purple);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* Responsive Table styling on small screens */
@media (max-width: 640px) {
  .dashboard-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .btn-logout {
    align-self: flex-end;
  }
}