/* 
 * Premium Modern Design System - Ultimate Edition
 * Speed MK-Pay
 */

:root {
    --bg-dark: #09090b; /* Zinc 950 */
    --bg-sidebar: #020202;
    --bg-card: rgba(24, 24, 27, 0.6); /* Zinc 900 low opacity */
    --hover-card: rgba(39, 39, 42, 0.8);
    
    --primary: #f97316; /* Orange 500 */
    --primary-hover: #ea580c; /* Orange 600 */
    --primary-glow: rgba(249, 115, 22, 0.4);
    
    --text-primary: #ededed;
    --text-secondary: #a1a1aa; /* Zinc 400 */
    --text-muted: #52525b; /* Zinc 600 */
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(255, 255, 255, 0.15);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --font-inter: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-inter);
    background-color: var(--bg-dark);
    /* Subtle mesh gradient background */
    background-image: 
        radial-gradient(at 0% 0%, rgba(249, 115, 22, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(56, 189, 248, 0.1) 0px, transparent 50%);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
}

.app-container {
    display: flex;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 2rem 1.5rem;
    flex-shrink: 0;
    z-index: 50;
}

.sidebar-header {
    margin-bottom: 3rem;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.nav-item i {
    width: 20px;
    height: 20px;
}

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

.top-header {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2.5rem;
    border-bottom: 1px solid var(--border-color);
    background: rgba(9, 9, 11, 0.7);
    backdrop-filter: blur(8px);
    z-index: 40;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
}

.content-scrollable {
    flex: 1;
    overflow-y: auto;
    padding: 2.5rem;
}

/* Cards */
.card-container, .stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    backdrop-filter: blur(12px);
    transition: transform 0.2s, border-color 0.2s;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.card-container:hover, .stat-card:hover {
    border-color: var(--border-highlight);
    transform: translateY(-2px);
}

.stat-card h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-top: 0.5rem;
    background: linear-gradient(to right, #fff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-title {
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

/* Grid & Layout */
.dashboard-grid {
    display: grid;
    gap: 1.5rem;
}

.cards-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* Forms & Inputs */
.form-group {
    margin-bottom: 1.25rem;
}

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

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: white;
    font-size: 0.95rem;
    transition: 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-glow);
}

/* Buttons */
.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 4px 12px var(--primary-glow);
}

/* Utils */
.text-success { color: #10b981; }
.text-danger { color: #ef4444; }

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.reveal {
    animation: fadeInUp 0.5s ease-out forwards;
}