:root {
    --bg-base: #0f1115;
    --bg-surface: #1a1d24;
    --bg-surface-hover: #232730;
    
    --text-primary: #f0f2f5;
    --text-secondary: #9ba1a6;
    --text-tertiary: #687076;
    
    --accent-primary: #6366f1;
    --accent-primary-hover: #4f46e5;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    --accent-purple: #8b5cf6;
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-hover: rgba(255, 255, 255, 0.15);
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
}

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

/* Sidebar Styles */
.sidebar {
    width: 260px;
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 1.5rem 0;
    transition: width var(--transition-normal);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0 1.5rem;
    margin-bottom: 2.5rem;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-purple));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.4);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    background: linear-gradient(to right, #ffffff, #a5b4fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    list-style: none;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0 1rem;
}

.nav-links li a {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.nav-links li a:hover {
    background-color: var(--bg-surface-hover);
    color: var(--text-primary);
    transform: translateX(4px);
}

.nav-links li.active a {
    background-color: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.nav-links li.active a i {
    color: var(--accent-primary);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    margin: 0 1rem;
    border-radius: 8px;
    background-color: var(--bg-surface-hover);
    border: 1px solid var(--border-color);
    transition: border-color var(--transition-fast);
    cursor: pointer;
}

.user-profile:hover {
    border-color: var(--border-color-hover);
}

.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #f59e0b, #ef4444);
}

.user-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.user-role {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

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

.topbar {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    border-bottom: 1px solid var(--border-color);
    background-color: rgba(15, 17, 21, 0.8);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 10;
}

.search-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background-color: var(--bg-surface);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    width: 320px;
    transition: all var(--transition-fast);
}

.search-bar:focus-within {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.search-bar i {
    color: var(--text-tertiary);
}

.search-bar input {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 0.875rem;
    width: 100%;
    outline: none;
}

.topbar-actions {
    display: flex;
    gap: 0.75rem;
}

.action-btn {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.action-btn:hover {
    background-color: var(--bg-surface-hover);
    color: var(--text-primary);
    transform: translateY(-2px);
}

#treasury-btn {
    color: var(--accent-warning);
    border-color: rgba(245, 158, 11, 0.2);
    background-color: rgba(245, 158, 11, 0.05);
}
#treasury-btn:hover {
    background-color: rgba(245, 158, 11, 0.15);
    box-shadow: 0 0 10px rgba(245, 158, 11, 0.3);
}

.dashboard-content {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.welcome-section {
    margin-bottom: 2rem;
    animation: fadeInDown 0.5s ease-out forwards;
}

.welcome-section h2 {
    font-size: 1.875rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    letter-spacing: -0.025em;
}

.welcome-section p {
    color: var(--text-secondary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.stat-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    animation: fadeInUp 0.5s ease-out forwards;
    opacity: 0;
}

.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }
.stat-card:nth-child(4) { animation-delay: 0.4s; }

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-color-hover);
}

.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.stat-header h3 {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.stat-icon {
    color: var(--text-tertiary);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.025em;
}

.stat-trend {
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.stat-trend.positive { color: var(--accent-success); }
.stat-trend.negative { color: var(--accent-danger); }
.stat-trend.neutral { color: var(--text-tertiary); }

.activity-section {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    animation: fadeInUp 0.5s ease-out forwards;
    animation-delay: 0.5s;
    opacity: 0;
}

.activity-header {
    margin-bottom: 1.5rem;
}

.activity-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    border-radius: 8px;
    background-color: rgba(255,255,255,0.02);
    border: 1px solid transparent;
    transition: all var(--transition-fast);
}

.activity-item:hover {
    background-color: var(--bg-surface-hover);
    border-color: var(--border-color);
}

.activity-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.activity-icon.blue { background-color: rgba(99, 102, 241, 0.1); color: var(--accent-primary); }
.activity-icon.green { background-color: rgba(16, 185, 129, 0.1); color: var(--accent-success); }
.activity-icon.purple { background-color: rgba(139, 92, 246, 0.1); color: var(--accent-purple); }

.activity-details h4 {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.activity-details p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.activity-time {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-left: auto;
    flex-shrink: 0;
}

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

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