/*
 * Business & Contract Suite (BCS)
 * Premium Dark Mode Stylesheet
 */

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

:root {
    /* Color Palette */
    --bg-primary: #0b0f19;
    --bg-secondary: #161f30;
    --bg-tertiary: #1f2d47;
    
    --accent-blue: #3b82f6;
    --accent-blue-hover: #2563eb;
    --accent-cyan: #06b6d4;
    --accent-green: #10b981;
    --accent-green-hover: #059669;
    --accent-yellow: #f59e0b;
    --accent-red: #ef4444;
    --accent-red-hover: #dc2626;

    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;

    --border-color: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(59, 130, 246, 0.5);

    /* Glassmorphism settings */
    --glass-bg: rgba(22, 31, 48, 0.7);
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-blur: blur(12px);
    --shadow-premium: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

    /* Layout & Spacing */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    --transition-speed: 0.3s;
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    padding: 2rem;
    min-height: 100vh;
}

h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color var(--transition-speed);
}

a:hover {
    color: var(--accent-blue-hover);
}

/* Glassmorphism Card Wrapper */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-premium);
    padding: 2rem;
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.glass-card:hover {
    box-shadow: 0 12px 40px 0 rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.2);
}

/* Navigation & Layout Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    font-size: 2.2rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, #ffffff, var(--text-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* KPI Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.kpi-card {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.5rem;
}

.kpi-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--border-radius-sm);
    font-size: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
}

.kpi-card.blue .kpi-icon { color: var(--accent-blue); background: rgba(59, 130, 246, 0.1); }
.kpi-card.yellow .kpi-icon { color: var(--accent-yellow); background: rgba(245, 158, 11, 0.1); }
.kpi-card.green .kpi-icon { color: var(--accent-green); background: rgba(16, 185, 129, 0.1); }

.kpi-value {
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1.2;
}

.kpi-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Primary Button Design */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    border: none;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    color: #ffffff;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-blue-hover), var(--accent-cyan));
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-secondary);
}

.btn-danger {
    background: var(--accent-red);
    color: #ffffff;
}

.btn-danger:hover {
    background: var(--accent-red-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
}

/* Status Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-align: center;
}

.badge-draft {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-yellow);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-pending {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-blue);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-signed {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Table styling */
.table-container {
    width: 100%;
    overflow-x: auto;
    margin-top: 1.5rem;
}

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

th, td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

th {
    font-family: 'Outfit', sans-serif;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tbody tr {
    transition: background-color var(--transition-speed);
}

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

.action-links {
    display: flex;
    gap: 0.75rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px var(--border-focus);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* PDF Viewer and Editors Styles */
.editor-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2rem;
    height: calc(100vh - 8rem);
}

.editor-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.pdf-viewport-container {
    display: flex;
    justify-content: center;
    background: #101520;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    overflow: auto;
    position: relative;
    padding: 2rem;
}

.pdf-canvas-wrapper {
    position: relative;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

.pdf-text-layer {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

/* Mobile responsive adjustments */
@media(max-width: 768px) {
    body {
        padding: 1rem;
    }
    header {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    .editor-layout {
        grid-template-columns: 1fr;
        height: auto;
    }
    .action-links {
        flex-direction: column;
    }
}