/* Decent, Handcrafted Enterprise Portal Theme */
:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary: #059669;
    --danger: #dc2626;
    --warning: #d97706;
    --info: #0284c7;
    
    --sidebar-bg: #0f172a;
    --sidebar-hover: #1e293b;
    --sidebar-text: #94a3b8;
    --sidebar-active: #2563eb;
    
    --bg-main: #f8fafc;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    
    --text-dark: #0f172a;
    --text-main: #334155;
    --text-muted: #64748b;
    
    --radius: 12px;
    --radius-sm: 8px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html, body {
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
    position: relative;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    font-size: 0.925rem;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', 'Inter', sans-serif;
    color: var(--text-dark);
    font-weight: 600;
    letter-spacing: -0.02em;
}

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

a:hover {
    color: var(--primary-hover);
}

/* App Container Layout */
.app-container {
    display: flex;
    min-height: 100vh;
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-header h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.5px;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
}

/* Premium Ultra-Sleek Scrollbar for Sidebar */
.sidebar-nav::-webkit-scrollbar {
    width: 4px;
}

.sidebar-nav::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    transition: background 0.3s ease;
}

.sidebar-nav:hover::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
}

.sidebar-nav::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Global Application Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

.sidebar-nav a {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    color: var(--sidebar-text);
    font-weight: 500;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    transition: var(--transition);
}

.sidebar-nav a i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.sidebar-nav a:hover {
    background: var(--sidebar-hover);
    color: #ffffff;
}

.sidebar-nav a.active {
    background: var(--primary);
    color: #ffffff;
    font-weight: 600;
}

.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid rgba(255,255,255,0.08);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    display: flex;
    flex-direction: column;
    width: calc(100% - 260px);
    max-width: 100%;
    min-width: 0; /* Prevents overflow */
    overflow-x: hidden;
    transition: var(--transition);
}

/* Topbar */
.topbar {
    height: 70px;
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 90;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    font-size: 1.35rem;
    color: var(--text-dark);
    cursor: pointer;
    margin-right: 0.75rem;
}

.topbar-search {
    display: flex;
    align-items: center;
    background: #f1f5f9;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    width: 320px;
    max-width: 100%;
    border: 1px solid transparent;
    transition: var(--transition);
}

.topbar-search:focus-within {
    background: #ffffff;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.topbar-search i {
    color: var(--text-muted);
    margin-right: 8px;
}

.topbar-search input {
    border: none;
    outline: none;
    background: transparent;
    width: 100%;
    font-family: inherit;
    font-size: 0.875rem;
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

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

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

.avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
}

/* Content Area */
.content-area {
    padding: 2rem;
    flex: 1;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.75rem;
    flex-wrap: wrap;
    gap: 1rem;
    width: 100%;
}

.page-header h1 {
    font-size: 1.75rem;
    margin-bottom: 0.25rem;
}

/* Cards & Layout */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    width: 100%;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    width: 100%;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid #f1f5f9;
    flex-wrap: wrap;
    gap: 0.75rem;
    width: 100%;
}

.card-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-bottom: 1.75rem;
    width: 100%;
}

.stat-card {
    background: var(--card-bg);
    padding: 1.25rem;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: 1.25rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    width: 100%;
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
}

.stat-details h3 {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

.stat-details p {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-dark);
}

/* Tables & Responsive Wrapper */
.table-responsive {
    display: block;
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    box-sizing: border-box;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th {
    text-align: left;
    padding: 0.75rem 1rem;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.775rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
    background: #f8fafc;
    white-space: nowrap;
}

.table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid #f1f5f9;
    vertical-align: middle;
    font-size: 0.875rem;
    white-space: nowrap;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background: #f8fafc;
}

/* Badges */
.badge {
    padding: 0.3rem 0.65rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
    white-space: nowrap;
}

.badge-primary { background: #dbeafe; color: #1e40af; }
.badge-success { background: #d1fae5; color: #065f46; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-warning { background: #fef3c7; color: #92400e; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.875rem;
    text-align: center;
    cursor: pointer;
    border: 1px solid transparent;
    outline: none;
    transition: var(--transition);
    font-family: inherit;
    white-space: nowrap;
}

.btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.8rem;
}

.btn-primary {
    background: var(--primary);
    color: #ffffff;
}

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

.btn-outline-danger {
    background: #ffffff;
    border-color: #fca5a5;
    color: var(--danger);
}

.btn-outline-danger:hover {
    background: #fef2f2;
    border-color: var(--danger);
}

.btn-success {
    background: var(--secondary);
    color: #ffffff;
}

.btn-success:hover {
    background: #047857;
}

.btn-warning {
    background: var(--warning);
    color: #ffffff;
}

.btn-warning:hover {
    background: #b45309;
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
    width: 100%;
}

.form-label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-dark);
}

.form-control, .form-select {
    width: 100%;
    padding: 0.65rem 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.875rem;
    transition: var(--transition);
    background: #ffffff;
    color: var(--text-dark);
    box-sizing: border-box;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
    outline: none;
}

/* Login Page */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: #f1f5f9;
    padding: 1rem;
    width: 100vw;
    overflow-x: hidden;
}

.login-card {
    background: #ffffff;
    padding: 2.5rem;
    border-radius: 16px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    text-align: center;
    box-sizing: border-box;
}

.login-card h1 {
    font-size: 2rem;
    margin-bottom: 0.25rem;
    color: var(--primary);
}

.login-card p {
    color: var(--text-muted);
    margin-bottom: 1.75rem;
    font-size: 0.9rem;
}

/* Helpers */
.mt-4 { margin-top: 1.5rem; }
.mb-4 { margin-bottom: 1.5rem; }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-danger { color: var(--danger); }
.text-success { color: var(--secondary); }
.text-warning { color: var(--warning); }
.text-info { color: var(--info); }
.font-weight-bold { font-weight: 600; }

.bg-danger-light { background: #fee2e2; }
.bg-success-light { background: #d1fae5; }
.bg-warning-light { background: #fef3c7; }
.bg-info-light { background: #e0f2fe; }

/* 📱 Responsive Breakpoints */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .grid-3 {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    html, body {
        width: 100vw;
        overflow-x: hidden;
    }

    .app-container {
        width: 100vw;
        max-width: 100vw;
        overflow-x: hidden;
    }

    .sidebar {
        transform: translateX(-100%);
        box-shadow: 0 0 20px rgba(0,0,0,0.3);
    }

    .sidebar.mobile-open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        width: 100vw;
        max-width: 100vw;
        overflow-x: hidden;
    }

    .topbar {
        padding: 0 1rem;
        width: 100vw;
        max-width: 100vw;
    }

    .mobile-toggle {
        display: block;
    }

    .topbar-search {
        width: 140px;
    }

    .user-info {
        display: none; /* Hide user name text on small mobile, show avatar */
    }

    .content-area {
        padding: 1rem 0.75rem;
        width: 100vw;
        max-width: 100vw;
        overflow-x: hidden;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 0.85rem;
    }

    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .page-header h1 {
        font-size: 1.4rem;
    }

    .card {
        padding: 1rem;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .login-card {
        padding: 1.75rem 1.25rem;
    }
}

@media (max-width: 576px) {
    .topbar-search {
        display: none; /* Hide top search bar on ultra small screens */
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .btn {
        width: 100%; /* Full width buttons on mobile forms */
    }

    .card-header .btn {
        width: auto; /* Keep View All / header buttons compact */
    }

    /* Print & Statement Mobile Rules */
    .receipt-container, .statement-card {
        padding: 1.25rem !important;
        margin-bottom: 1rem !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .receipt-details, .summary-row {
        flex-direction: column;
        gap: 0.75rem;
    }

    .receipt-summary {
        width: 100% !important;
        float: none !important;
    }
}

/* Global Print Rules: Prevent Scrollbars on Print & PDF output */
@media print {
    *, *:before, *:after {
        overflow: visible !important;
        box-shadow: none !important;
    }
    .table-responsive {
        overflow: visible !important;
        display: block !important;
        width: 100% !important;
    }
    body, html {
        overflow: visible !important;
        height: auto !important;
    }
}