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

:root {
  --green: #00e676;
  --green-dim: #00c853;
  --green-bg: rgba(0, 230, 118, 0.08);
  --green-border: rgba(0, 230, 118, 0.15);
  --dark: #0a0a0a;
  --dark-card: #111111;
  --dark-card-hover: #151515;
  --dark-border: #1a1a1a;
  --dark-input: #0d0d0d;
  --gray: #888;
  --gray-light: #aaa;
  --light: #e0e0e0;
  --white: #ffffff;
  --red: #ff5252;
  --red-bg: rgba(255, 82, 82, 0.1);
  --yellow: #ffd740;
  --blue: #448aff;
}

body {
  font-family: 'DM Sans', sans-serif;
  background-color: var(--dark);
  color: var(--light);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: 'Space Grotesk', sans-serif; }

body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

/* Auth card */
.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
  z-index: 2;
}

.auth-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 16px;
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
}

.auth-card .logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  display: block;
  margin-bottom: 32px;
}

.auth-card .logo span { color: var(--green); }

.auth-card h2 {
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: 8px;
}

.auth-card .subtitle {
  color: var(--gray);
  font-size: 0.9rem;
  margin-bottom: 28px;
}

/* Form elements */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--gray-light);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--dark-input);
  border: 1px solid var(--dark-border);
  border-radius: 10px;
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #444;
}

.form-group textarea {
  min-height: 80px;
  resize: vertical;
}

.form-group select {
  appearance: none;
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--green);
  color: var(--dark);
  width: 100%;
}

.btn-primary:hover { background: var(--green-dim); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-secondary {
  background: transparent;
  color: var(--light);
  border: 1px solid var(--dark-border);
}

.btn-secondary:hover { border-color: var(--gray); }

.btn-danger {
  background: var(--red-bg);
  color: var(--red);
  border: 1px solid rgba(255, 82, 82, 0.2);
}

.btn-sm { padding: 8px 16px; font-size: 0.8rem; }

/* Error/success messages */
.error-message {
  background: var(--red-bg);
  color: var(--red);
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 0.85rem;
  margin-bottom: 16px;
  display: none;
}

.error-message.show { display: block; }

.success-message {
  background: var(--green-bg);
  color: var(--green);
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 0.85rem;
  margin-bottom: 16px;
  display: none;
}

.success-message.show { display: block; }

/* Auth links */
.auth-link {
  text-align: center;
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--gray);
}

.auth-link a {
  color: var(--green);
  text-decoration: none;
  font-weight: 500;
}

.auth-link a:hover { text-decoration: underline; }

/* Password requirements */
.password-requirements {
  margin-top: 8px;
  font-size: 0.8rem;
}

.requirement {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--gray);
  margin-bottom: 4px;
  transition: color 0.2s;
}

.requirement .icon {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1.5px solid var(--gray);
  flex-shrink: 0;
  transition: all 0.2s;
}

.requirement.met { color: var(--green); }
.requirement.met .icon {
  background: var(--green);
  border-color: var(--green);
}

/* Dashboard layout */
.app-layout {
  min-height: 100vh;
  position: relative;
  z-index: 2;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  border-bottom: 1px solid var(--dark-border);
}

.app-header .logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
}

.app-header .logo span { color: var(--green); }

.app-nav {
  display: flex;
  gap: 4px;
}

.app-nav a {
  color: var(--gray);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s;
}

.app-nav a:hover { color: var(--white); background: var(--dark-card); }
.app-nav a.active { color: var(--green); background: var(--green-bg); }

.app-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.app-user .user-name {
  font-size: 0.85rem;
  color: var(--gray);
}

.app-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px;
}

/* Cards */
.card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 16px;
  padding: 28px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card-header h3 {
  font-size: 1.1rem;
  color: var(--white);
}

/* Stat cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 12px;
  padding: 24px;
}

.stat-card .stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--green);
}

.stat-card .stat-label {
  font-size: 0.8rem;
  color: var(--gray);
  margin-top: 4px;
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  text-align: left;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--gray);
  padding: 12px 16px;
  border-bottom: 1px solid var(--dark-border);
}

.data-table td {
  padding: 14px 16px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--dark-border);
  color: var(--light);
}

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

.data-table tr:hover td { background: var(--dark-card-hover); }

/* Status badges */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-green { background: var(--green-bg); color: var(--green); }
.badge-red { background: var(--red-bg); color: var(--red); }
.badge-yellow { background: rgba(255, 215, 64, 0.1); color: var(--yellow); }
.badge-blue { background: rgba(68, 138, 255, 0.1); color: var(--blue); }
.badge-gray { background: rgba(136, 136, 136, 0.1); color: var(--gray); }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--gray);
}

.empty-state .icon { font-size: 2.5rem; margin-bottom: 16px; }
.empty-state h3 { color: var(--white); margin-bottom: 8px; }
.empty-state p { font-size: 0.9rem; max-width: 400px; margin: 0 auto 20px; }

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
}

.modal-overlay.show { display: flex; }

.modal {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 16px;
  padding: 32px;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal h3 {
  color: var(--white);
  margin-bottom: 20px;
}

/* Toggle */
.toggle-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
}

.toggle {
  width: 44px;
  height: 24px;
  background: var(--dark-border);
  border-radius: 12px;
  position: relative;
  cursor: pointer;
  transition: background 0.2s;
}

.toggle.active { background: var(--green); }

.toggle::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: var(--white);
  border-radius: 50%;
  transition: transform 0.2s;
}

.toggle.active::after { transform: translateX(20px); }

/* Tabs */
.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--dark-border);
  padding-bottom: 0;
}

.tab {
  padding: 10px 20px;
  color: var(--gray);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  margin-bottom: -1px;
}

.tab:hover { color: var(--white); }
.tab.active { color: var(--green); border-bottom-color: var(--green); }

/* Responsive */
@media (max-width: 768px) {
  .app-header { flex-direction: column; gap: 16px; padding: 16px 20px; }
  .app-nav { overflow-x: auto; width: 100%; }
  .app-main { padding: 20px 16px; }
  .auth-card { padding: 32px 24px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .modal { margin: 16px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
}