/* ============================================
   Common Styles - Dark Theme with Muted Green
   ============================================ */

:root {
    /* Muted Green Color Palette (less bright) */
    --color-primary: #22c55e;        /* green-500 (muted) */
    --color-primary-dark: #16a34a;    /* green-600 */
    --color-primary-darker: #15803d;  /* green-700 */
    --color-primary-light: #4ade80;  /* green-400 */
    --color-primary-lighter: #86efac; /* green-300 */
    
    /* Dark Background Colors */
    --bg-primary: #1a1a1a;           /* dark gray */
    --bg-secondary: #0f0f0f;         /* darker gray */
    --bg-tertiary: #262626;          /* lighter dark */
    --bg-hover: #2a2a2a;             /* hover state */
    
    /* Light Background Colors (for cards) */
    --bg-card: #1f1f1f;
    --bg-card-hover: #2a2a2a;
    
    /* Text Colors */
    --text-primary: #e5e5e5;          /* light gray */
    --text-secondary: #a3a3a3;        /* medium gray */
    --text-tertiary: #737373;         /* muted gray */
    --text-muted: #525252;           /* very muted */
    
    /* Border Colors */
    --border-primary: #404040;        /* dark border */
    --border-secondary: #2a2a2a;      /* darker border */
    --border-accent: #22c55e;        /* green accent */
    --border-hover: #4ade80;         /* green hover */
    
    /* Status Colors */
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 999px;
}

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

body {
    font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, Helvetica, sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

/* ============================================
   Layout
   ============================================ */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.container-narrow {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

/* ============================================
   Cards
   ============================================ */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--border-accent);
    background: var(--bg-card-hover);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-primary);
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.card-subtitle {
    font-size: 14px;
    color: var(--text-tertiary);
    margin-top: var(--spacing-xs);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    white-space: nowrap;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-primary {
    background: var(--color-primary);
    color: #000;
    border-color: var(--color-primary);
    font-weight: 700;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: #000;
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--border-accent);
    color: var(--text-primary);
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
}

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

.btn-outline:hover {
    background: var(--color-primary);
    color: #000;
}

.btn-danger {
    background: var(--color-error);
    color: white;
    border-color: var(--color-error);
}

.btn-danger:hover {
    background: #dc2626;
    border-color: #dc2626;
}

/* ============================================
   Forms
   ============================================ */

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-family: inherit;
    transition: all 0.2s;
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
    background: var(--bg-card);
}

.form-input::placeholder {
    color: var(--text-muted);
}

/* ============================================
   Tables
   ============================================ */

.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
    background: var(--bg-card);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
}

table th {
    text-align: left;
    padding: 16px;
    background: var(--bg-tertiary);
    font-weight: 600;
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-primary);
}

table td {
    padding: 16px;
    border-bottom: 1px solid var(--border-primary);
    font-size: 14px;
    color: var(--text-primary);
}

table tr:hover {
    background: var(--bg-hover);
}

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

/* ============================================
   Tabs
   ============================================ */

.tabs {
    display: flex;
    gap: var(--spacing-sm);
    border-bottom: 2px solid var(--border-primary);
    margin-bottom: var(--spacing-lg);
}

.tab-btn {
    padding: 12px 20px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-tertiary);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
}

.tab-btn:hover {
    color: var(--color-primary);
}

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ============================================
   Badges & Tags
   ============================================ */

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
}

.badge-primary {
    background: rgba(34, 197, 94, 0.2);
    color: var(--color-primary);
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.badge-success {
    background: rgba(34, 197, 94, 0.2);
    color: var(--color-success);
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--color-warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-error {
    background: rgba(239, 68, 68, 0.2);
    color: var(--color-error);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ============================================
   Utilities
   ============================================ */

.text-muted {
    color: var(--text-tertiary);
    font-size: 12px;
}

.text-success {
    color: var(--color-success);
}

.text-error {
    color: var(--color-error);
}

.text-warning {
    color: var(--color-warning);
}

.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-tertiary);
}

.gradient-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #000;
}

.gradient-success {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    color: #000;
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-primary);
    padding: var(--spacing-md) var(--spacing-lg);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
}

.nav {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    flex-wrap: wrap;
}

.nav-link {
    display: inline-block;
    padding: 8px 14px;
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    white-space: nowrap;
    transition: all 0.2s;
}

.nav-link:hover {
    background: var(--bg-hover);
    border-color: var(--border-accent);
    color: var(--color-primary);
}

.nav-link.active {
    background: var(--color-primary);
    border-color: var(--color-primary-dark);
    color: #000;
}

/* ============================================
   Progress Bars
   ============================================ */

.progress {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    border: 1px solid var(--border-primary);
}

.progress-bar {
    height: 100%;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    transition: width 0.3s;
}

/* ============================================
   Alerts
   ============================================ */

.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid;
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border-color: var(--color-success);
    color: var(--color-success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--color-error);
    color: var(--color-error);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--color-warning);
    color: var(--color-warning);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--color-info);
    color: var(--color-info);
}

/* ============================================
   Scrollbar Styling
   ============================================ */

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    border: 2px solid var(--bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-primary);
}

/* ============================================
   Code & Pre
   ============================================ */

code {
    background: var(--bg-tertiary);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-family: 'Courier New', monospace;
    font-size: 12px;
    color: var(--color-primary);
    border: 1px solid var(--border-primary);
}

pre {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-primary);
    overflow-x: auto;
    color: var(--text-primary);
}

/* ============================================
   Links
   ============================================ */

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--color-primary-light);
    text-decoration: underline;
}

/* ============================================
   Input Groups
   ============================================ */

.input-group {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.input-group .form-input {
    flex: 1;
}

/* ============================================
   Modal Overlay
   ============================================ */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}