/* ── Tellcus Premium Design System ── */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Color Palette (Harmonious Dark Theme) */
  --bg-primary: #0a0c10;
  --bg-secondary: #121620;
  --bg-tertiary: #1a1f2e;
  
  --primary: hsl(250, 85%, 65%);
  --primary-glow: hsla(250, 85%, 65%, 0.45);
  --primary-muted: hsl(250, 45%, 45%);
  
  --accent: hsl(325, 90%, 60%);
  --accent-glow: hsla(325, 90%, 60%, 0.45);
  
  --success: hsl(145, 80%, 45%);
  --warning: hsl(40, 95%, 55%);
  --danger: hsl(355, 85%, 55%);
  
  /* Neutral scale */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(139, 92, 246, 0.4);
  
  /* Glassmorphism settings */
  --glass-bg: rgba(18, 22, 32, 0.65);
  --glass-blur: blur(20px);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 9999px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

html {
  overflow-x: hidden;
  max-width: 100vw;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  width: 100vw;
  max-width: 100%;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

/* Scrollbar Styles */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: var(--radius-pill);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Utility Typography */
h1, h2, h3, h4, .title-font {
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* Premium Button Designs */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  color: var(--text-primary);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 4px 15px var(--primary-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--primary-glow), 0 0 15px var(--accent-glow);
}
.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--text-muted);
}

.btn-danger {
  background: var(--danger);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}
.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(239, 68, 68, 0.4);
}

/* Glass Card containers */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-md);
}

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

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.form-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

select.form-input {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f8fafc' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 16px;
  padding-right: 48px;
}

select.form-input option {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}
.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

/* Loading overlay */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 12, 16, 0.85);
  backdrop-filter: blur(10px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}
.loading-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s infinite linear;
}

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

/* Responsive Grid layouts */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

/* Custom Notifications */
.notification-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 380px;
  width: 100%;
}

.toast {
  background: rgba(18, 22, 32, 0.9);
  backdrop-filter: blur(12px);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 16px;
  color: var(--text-primary);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transform: translateX(120%);
  animation: slideIn var(--transition-normal) forwards;
}

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

@keyframes slideIn {
  to { transform: translateX(0); }
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .container {
    padding: 16px;
  }
  .notification-container {
    top: 16px;
    right: 16px;
    left: 16px;
    max-width: none;
    width: auto;
  }
}