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

:root {
  /* Premium Dark Mode Palette */
  --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
  --panel-bg: rgba(255, 255, 255, 0.03);
  --panel-border: rgba(255, 255, 255, 0.08);
  --panel-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent-primary: #8b5cf6;
  --accent-secondary: #3b82f6;
  --accent-glow: rgba(139, 92, 246, 0.5);
  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.3);
  --danger: #ef4444;
  --danger-glow: rgba(239, 68, 68, 0.3);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 8px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

[data-theme="light"] {
  --bg-gradient: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  --panel-bg: rgba(255, 255, 255, 0.7);
  --panel-border: rgba(255, 255, 255, 0.4);
  --panel-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
  --text-main: #0f172a;
  --text-muted: #64748b;
  --accent-primary: #6d28d9;
  --accent-secondary: #2563eb;
  --accent-glow: rgba(109, 40, 217, 0.3);
}

[data-theme="light"] h1, [data-theme="light"] h2, [data-theme="light"] h3, [data-theme="light"] h4 {
  background: linear-gradient(to right, #0f172a, #475569);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
[data-theme="light"] .metric-value {
  background: linear-gradient(135deg, #0f172a, #6d28d9);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
[data-theme="light"] input[type="text"],
[data-theme="light"] input[type="number"],
[data-theme="light"] input[type="password"],
[data-theme="light"] textarea,
[data-theme="light"] select {
  background: rgba(255, 255, 255, 0.9);
  color: var(--text-main);
}
[data-theme="light"] .inline-check {
  background: rgba(255, 255, 255, 0.6);
}
[data-theme="light"] .header-glass {
  background: rgba(248, 250, 252, 0.6);
}
[data-theme="light"] th {
  background: rgba(0, 0, 0, 0.03);
}

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

body {
  font-family: 'Outfit', system-ui, -apple-system, sans-serif;
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 2rem;
}

/* Glassmorphism Panels */
.card, .glass-panel {
  background: var(--panel-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--panel-shadow);
  transition: transform var(--transition-bounce), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.5);
}

/* Layout Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.two-columns {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.three-columns {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.flex-column {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  background: linear-gradient(to right, #fff, #cbd5e1);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.25rem; }

.eyebrow {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-primary);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.text-muted {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Forms & Inputs */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

label {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.form-group:focus-within label {
  color: var(--accent-primary);
}

input[type="text"],
input[type="number"],
input[type="password"],
textarea,
select {
  width: 100%;
  padding: 1rem 1.25rem;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
}

input::placeholder, textarea::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

/* Custom Checkboxes */
.inline-check {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.inline-check:hover {
  background: rgba(255, 255, 255, 0.05);
}

.inline-check input[type="checkbox"] {
  width: auto;
  accent-color: var(--accent-primary);
  transform: scale(1.2);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: transform var(--transition-bounce), box-shadow var(--transition-fast), opacity var(--transition-fast);
  text-decoration: none;
  gap: 0.5rem;
}

.btn:active {
  transform: scale(0.95);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px var(--accent-glow);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--panel-border);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
}

/* Header & Navigation */
.header-glass {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--panel-border);
  padding: 1rem 0;
  margin-bottom: 2rem;
}

.nav-pills {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.nav-pill {
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.nav-pill:hover, .nav-pill.active {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-main);
  border-color: rgba(255, 255, 255, 0.15);
}

/* Tables */
.table-container {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--panel-border);
  background: rgba(0, 0, 0, 0.2);
}

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

th {
  background: rgba(255, 255, 255, 0.03);
  padding: 1rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--panel-border);
}

td {
  padding: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  color: var(--text-main);
}

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

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

/* Metrics huge numbers */
.metric-value {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, #fff, #8b5cf6);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-top: 0.5rem;
}

/* Flash Messages */
.flash {
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  font-weight: 500;
  animation: slideIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  backdrop-filter: blur(10px);
}

.flash.success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--success);
  color: #34d399;
  box-shadow: 0 0 20px var(--success-glow);
}

.flash.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--danger);
  color: #f87171;
  box-shadow: 0 0 20px var(--danger-glow);
}

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

/* Micro animations */
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 var(--accent-glow); }
  70% { box-shadow: 0 0 0 10px rgba(139, 92, 246, 0); }
  100% { box-shadow: 0 0 0 0 rgba(139, 92, 246, 0); }
}