/* styles.css - Premium Dark Mode CRM Dashboard with Glassmorphism */
:root {
    /* Rich Deep Space Color Palette */
    --bg-base: #080710;
    --bg-surface: rgba(17, 18, 32, 0.65);
    --bg-surface-solid: #111224;
    --bg-surface-hover: rgba(27, 28, 48, 0.8);
    
    --text-main: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    
    --accent-primary: #8b5cf6; /* Glowing Violet */
    --accent-secondary: #0ea5e9; /* Sky Blue */
    --accent-emerald: #10b981; /* Emerald Green */
    
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-border-hover: rgba(139, 92, 246, 0.2);
    --glass-border-strong: rgba(255, 255, 255, 0.09);
    
    /* Spacing */
    --sp-1: 0.25rem;
    --sp-2: 0.5rem;
    --sp-3: 0.75rem;
    --sp-4: 1rem;
    --sp-6: 1.5rem;
    --sp-8: 2rem;
    
    /* Border Radius */
    --rad-sm: 0.375rem;
    --rad-md: 0.625rem;
    --rad-lg: 1rem;
    --rad-xl: 1.5rem;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-base);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(139, 92, 246, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(14, 165, 233, 0.04) 0%, transparent 40%);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
    background: var(--glass-border-strong);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* Typography */
h1, h2, h3, h4 { 
    font-weight: 600; 
    letter-spacing: -0.02em;
    color: var(--text-main);
}
a { color: inherit; text-decoration: none; }

/* Utilities */
.hidden { display: none !important; }
.mt-4 { margin-top: var(--sp-4); }
.text-primary { color: var(--accent-primary); }

.glassmorphism {
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--rad-lg);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    transition: border-color 0.3s, box-shadow 0.3s;
}
.glassmorphism:hover {
    border-color: rgba(255, 255, 255, 0.08);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.badge-success { background: rgba(16, 185, 129, 0.15); color: var(--success); border: 1px solid rgba(16, 185, 129, 0.2); }
.badge-warning { background: rgba(245, 158, 11, 0.15); color: var(--warning); border: 1px solid rgba(245, 158, 11, 0.2); }
.badge-danger { background: rgba(239, 68, 68, 0.15); color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.2); }
.badge-muted { background: rgba(255, 255, 255, 0.06); color: var(--text-secondary); border: 1px solid var(--glass-border); }
.badge-accent { background: rgba(139, 92, 246, 0.15); color: var(--accent-primary); border: 1px solid rgba(139, 92, 246, 0.2); }

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    border: none;
    padding: 0.65rem 1.25rem;
    border-radius: var(--rad-md);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    box-shadow: 0 4px 14px 0 rgba(139, 92, 246, 0.3);
    transition: all 0.2s ease-in-out;
}
.btn-primary:hover { 
    opacity: 0.95; 
    transform: translateY(-1px);
    box-shadow: 0 6px 20px 0 rgba(139, 92, 246, 0.4);
}
.btn-primary:active { transform: translateY(0) scale(0.98); }
.btn-icon { background: none; border: none; color: var(--text-main); cursor: pointer; font-size: 1.2rem; }

/* Inputs */
.input-group {
    margin-bottom: 1.25rem;
    text-align: left;
}
.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.input-group input {
    width: 100%;
    padding: 0.75rem;
    border-radius: var(--rad-md);
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--glass-border-strong);
    color: var(--text-main);
    font-size: 0.9rem;
    outline: none;
    transition: all 0.2s;
}
.input-group input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}
.glass-input {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--glass-border-strong);
    color: var(--text-main);
    padding: 0.5rem 1rem;
    border-radius: var(--rad-md);
    outline: none;
    font-size: 0.85rem;
    transition: all 0.2s;
}
.glass-input:focus { 
    border-color: var(--accent-primary); 
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}
.glass-input option { background: var(--bg-surface-solid); color: var(--text-main); }

/* Login Screen */
.login-container {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at center, #11122a 0%, var(--bg-base) 100%);
}
.login-card {
    width: 100%;
    max-width: 400px;
    padding: 3rem 2.5rem;
    border-radius: var(--rad-xl);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.08);
}
.logo { margin-bottom: 2rem; display: flex; flex-direction: column; align-items: center; gap: 0.5rem; color: var(--accent-primary); }
.logo h2 { font-size: 1.75rem; letter-spacing: -0.5px; color: #fff; }
.error-msg { color: var(--danger); margin-top: 1.2rem; font-size: 0.85rem; font-weight: 500; }

/* App Layout */
.app-layout {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--bg-surface-solid);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
    z-index: 100;
}
.sidebar-header {
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.2rem;
    font-weight: 700;
    border-bottom: 1px solid var(--glass-border);
}
.sidebar-nav {
    flex: 1;
    padding: 1.5rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    overflow-y: auto;
}
.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--rad-md);
    color: var(--text-secondary);
    transition: all 0.2s;
    background: transparent;
    border: none;
    width: 100%;
    text-align: left;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
}
.nav-item:hover {
    background: var(--bg-surface-hover);
    color: var(--text-main);
}
.nav-item.active {
    background: linear-gradient(90deg, rgba(139, 92, 246, 0.12), transparent);
    color: var(--accent-primary);
    border-left: 3px solid var(--accent-primary);
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    font-weight: 600;
}
.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid var(--glass-border);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Header */
.top-header {
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    border-radius: 0;
    border-bottom: 1px solid var(--glass-border);
}
.header-left, .header-right { display: flex; align-items: center; gap: 1rem; }
.mobile-only { display: none; }

.live-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.9rem;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border-radius: 2rem;
    font-weight: 600;
    font-size: 0.8rem;
    border: 1px solid rgba(16, 185, 129, 0.2);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.dot { width: 8px; height: 8px; background: var(--success); border-radius: 50%; }
.pulse .dot { animation: pulse 2s infinite; }

/* Sections */
.sections-container {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
}
.section-title { 
    margin-bottom: 2rem; 
    font-size: 1.75rem; 
    font-weight: 700;
    letter-spacing: -0.5px;
}
.app-section { display: none; animation: fadeIn 0.3s ease-out; }
.app-section.active { display: block; }

/* Grids */
.kpi-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); 
    gap: 1.5rem; 
    margin-bottom: 1.5rem;
}
.grid-2-col { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 1.5rem; }

/* KPI Cards */
.kpi-card { 
    padding: 1.75rem; 
    display: flex; 
    flex-direction: column; 
    gap: 0.5rem; 
    position: relative;
    overflow: hidden;
}
.kpi-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
}
.kpi-title { font-size: 0.8rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.kpi-value { font-size: 2.25rem; font-weight: 700; color: #fff; letter-spacing: -0.5px; }
.kpi-trend { font-size: 0.8rem; display: flex; align-items: center; gap: 0.25rem; font-weight: 600; }
.kpi-trend.up { color: var(--success); }
.kpi-trend.down { color: var(--danger); }

/* Cards & Tables */
.card { 
    padding: 1.75rem; 
    display: flex; 
    flex-direction: column; 
    height: 100%; 
    box-shadow: 0 10px 30px 0 rgba(0, 0, 0, 0.2);
}
.card-header { 
    margin-bottom: 1.5rem; 
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 10px;
}
.card-header h2 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-secondary);
}
.chart-container { position: relative; height: 300px; width: 100%; }

.table-responsive { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; text-align: left; }
.data-table th, .data-table td { padding: 1.1rem 0.75rem; border-bottom: 1px solid var(--glass-border); }
.data-table th { color: var(--text-muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.5px; }
.data-table td { font-size: 0.9rem; color: var(--text-secondary); }
.data-table tbody tr { transition: background 0.2s; }
.data-table tbody tr:hover { background: rgba(255, 255, 255, 0.015); }

/* Animations */
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5); } 70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); } 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); } }

/* Responsive */
@media (max-width: 900px) {
    .sidebar { position: fixed; transform: translateX(-100%); height: 100%; }
    .sidebar.open { transform: translateX(0); }
    .mobile-only { display: block; }
    .grid-2-col { grid-template-columns: 1fr; }
    .top-header { padding: 0 1rem; }
    .sections-container { padding: 1rem; }
}