/* =====================================================
   ImportRisaralda - Premium Auto Parts Store
   Clean, Trustworthy, Technologically Advanced
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Space+Mono:wght@400;700&display=swap');

:root {
    /* Primary palette - Deep navy trust palette */
    --navy-900: #0a1628;
    --navy-800: #0f2140;
    --navy-700: #152d54;
    --navy-600: #1a3a6b;
    --navy-500: #1e4d8c;
    --navy-400: #2563a8;
    --navy-300: #4a8fd4;
    --navy-200: #7eb3e8;
    --navy-100: #bdd7f5;
    --navy-50: #e8f1fb;

    /* Accent - Energetic teal/cyan */
    --accent-500: #0891b2;
    --accent-400: #06b6d4;
    --accent-300: #22d3ee;
    --accent-200: #67e8f9;
    --accent-100: #cffafe;

    /* Success/Warning/Danger */
    --success: #059669;
    --success-light: #d1fae5;
    --warning: #d97706;
    --warning-light: #fef3c7;
    --danger: #dc2626;
    --danger-light: #fee2e2;

    /* Neutrals */
    --gray-900: #111827;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    --white: #ffffff;

    /* Layout */
    --sidebar-width: 260px;
    --header-height: 64px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 3px rgba(10,22,40,0.06);
    --shadow-md: 0 4px 12px rgba(10,22,40,0.08);
    --shadow-lg: 0 8px 30px rgba(10,22,40,0.12);
    --shadow-xl: 0 20px 60px rgba(10,22,40,0.15);
    --transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 15px; scroll-behavior: smooth; }

body {
    font-family: 'Plus Jakarta Sans', -apple-system, sans-serif;
    color: var(--navy-800);
    background: var(--gray-50);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--navy-500); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--navy-700); }

img { max-width: 100%; height: auto; }

/* ===== LOGIN PAGE ===== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--navy-50) 0%, var(--white) 40%, var(--accent-100) 100%);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(8,145,178,0.08) 0%, transparent 70%);
    pointer-events: none;
}

.login-page::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -5%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(30,77,140,0.06) 0%, transparent 70%);
    pointer-events: none;
}

.login-box {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: 48px 40px;
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 2;
    border: 1px solid rgba(30,77,140,0.06);
}

.login-box .logo-container {
    text-align: center;
    margin-bottom: 32px;
}

.login-box .logo-container img {
    max-height: 70px;
    margin-bottom: 12px;
}

.login-box h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--navy-800);
    text-align: center;
    margin-bottom: 6px;
}

.login-box .subtitle {
    text-align: center;
    color: var(--gray-500);
    font-size: 0.9rem;
    margin-bottom: 32px;
}

.login-box .form-group { margin-bottom: 20px; }

.login-box label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--navy-700);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.login-box input[type="text"],
.login-box input[type="password"] {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--navy-800);
    transition: var(--transition);
    background: var(--gray-50);
}

.login-box input:focus {
    outline: none;
    border-color: var(--navy-400);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(37,99,168,0.1);
}

.login-box .btn-login {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--navy-600) 0%, var(--navy-700) 100%);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.5px;
    margin-top: 8px;
}

.login-box .btn-login:hover {
    background: linear-gradient(135deg, var(--navy-700) 0%, var(--navy-800) 100%);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.login-error {
    background: var(--danger-light);
    color: var(--danger);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    margin-bottom: 20px;
    border-left: 4px solid var(--danger);
}

/* ===== LAYOUT ===== */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ===== SIDEBAR ===== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--white);
    border-right: 1px solid var(--gray-200);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.sidebar-brand {
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 14px;
    border-bottom: 1px solid var(--gray-100);
    min-height: var(--header-height);
}

.sidebar-brand img {
    height: 42px;
    width: auto;
}

.sidebar-brand span {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--navy-800);
    letter-spacing: -0.3px;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 16px 12px;
}

.nav-section-title {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--gray-400);
    padding: 16px 14px 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    border-radius: var(--radius-md);
    color: var(--gray-600);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    margin-bottom: 2px;
    cursor: pointer;
}

.nav-item:hover {
    background: var(--navy-50);
    color: var(--navy-700);
}

.nav-item.active {
    background: linear-gradient(135deg, var(--navy-600), var(--navy-700));
    color: var(--white);
    box-shadow: 0 2px 8px rgba(26,58,107,0.25);
}

.nav-item .nav-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.nav-item .nav-icon svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-footer .user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--navy-100);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--navy-700);
    font-size: 0.8rem;
    flex-shrink: 0;
}

.sidebar-footer .user-info { flex: 1; min-width: 0; }
.sidebar-footer .user-name { font-size: 0.85rem; font-weight: 600; color: var(--navy-800); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-footer .user-role { font-size: 0.72rem; color: var(--gray-400); text-transform: uppercase; letter-spacing: 0.5px; }

.sidebar-footer .btn-logout {
    padding: 6px;
    border-radius: var(--radius-sm);
    color: var(--gray-400);
    transition: var(--transition);
}
.sidebar-footer .btn-logout:hover { color: var(--danger); background: var(--danger-light); }

/* ===== MAIN CONTENT ===== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

.top-header {
    height: var(--header-height);
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.top-header h2 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--navy-800);
}

.top-header .header-actions { display: flex; align-items: center; gap: 12px; }

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    color: var(--navy-700);
}

.page-content { padding: 28px 32px; }

/* ===== STAT CARDS ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
}

.stat-card.blue::before { background: linear-gradient(90deg, var(--navy-400), var(--accent-400)); }
.stat-card.green::before { background: linear-gradient(90deg, #059669, #34d399); }
.stat-card.orange::before { background: linear-gradient(90deg, #d97706, #fbbf24); }
.stat-card.purple::before { background: linear-gradient(90deg, #7c3aed, #a78bfa); }
.stat-card.teal::before { background: linear-gradient(90deg, var(--accent-500), var(--accent-300)); }
.stat-card.red::before { background: linear-gradient(90deg, #dc2626, #f87171); }

.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.stat-card .stat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
}

.stat-card.blue .stat-icon { background: var(--navy-50); color: var(--navy-500); }
.stat-card.green .stat-icon { background: var(--success-light); color: var(--success); }
.stat-card.orange .stat-icon { background: var(--warning-light); color: var(--warning); }
.stat-card.purple .stat-icon { background: #ede9fe; color: #7c3aed; }
.stat-card.teal .stat-icon { background: var(--accent-100); color: var(--accent-500); }
.stat-card.red .stat-icon { background: var(--danger-light); color: var(--danger); }

.stat-card .stat-icon svg { width: 22px; height: 22px; }
.stat-card .stat-label { font-size: 0.78rem; color: var(--gray-500); font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.stat-card .stat-value { font-size: 1.7rem; font-weight: 800; color: var(--navy-800); letter-spacing: -0.5px; }
.stat-card .stat-change { font-size: 0.78rem; margin-top: 6px; font-weight: 600; }
.stat-card .stat-change.up { color: var(--success); }
.stat-card .stat-change.down { color: var(--danger); }

/* ===== CARDS / PANELS ===== */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    margin-bottom: 24px;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.card-header h3 { font-size: 1.05rem; font-weight: 700; color: var(--navy-800); }
.card-body { padding: 24px; }
.card-footer { padding: 16px 24px; border-top: 1px solid var(--gray-100); }

/* ===== TABLES ===== */
.table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.88rem;
}

.data-table thead th {
    background: var(--gray-50);
    padding: 12px 16px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--gray-500);
    border-bottom: 2px solid var(--gray-200);
    text-align: left;
    white-space: nowrap;
}

.data-table tbody td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--gray-100);
    color: var(--navy-800);
    vertical-align: middle;
}

.data-table tbody tr { transition: var(--transition); }
.data-table tbody tr:hover { background: var(--navy-50); }
.data-table tbody tr:last-child td { border-bottom: none; }

.data-table .thumb {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    border: 1px solid var(--gray-200);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    text-decoration: none;
}

.btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.btn-primary { background: linear-gradient(135deg, var(--navy-600), var(--navy-700)); color: var(--white); }
.btn-primary:hover { background: linear-gradient(135deg, var(--navy-700), var(--navy-800)); transform: translateY(-1px); box-shadow: var(--shadow-md); color: var(--white); }

.btn-success { background: var(--success); color: var(--white); }
.btn-success:hover { background: #047857; }

.btn-danger { background: var(--danger); color: var(--white); }
.btn-danger:hover { background: #b91c1c; }

.btn-warning { background: var(--warning); color: var(--white); }
.btn-warning:hover { background: #b45309; }

.btn-outline { background: transparent; color: var(--navy-600); border: 2px solid var(--navy-200); }
.btn-outline:hover { background: var(--navy-50); border-color: var(--navy-400); }

.btn-ghost { background: transparent; color: var(--gray-600); }
.btn-ghost:hover { background: var(--gray-100); }

.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-block { width: 100%; justify-content: center; }

.btn-group { display: flex; gap: 8px; flex-wrap: wrap; }

/* ===== FORMS ===== */
.form-group { margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; }

.form-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--navy-700);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--navy-800);
    transition: var(--transition);
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--navy-400);
    box-shadow: 0 0 0 4px rgba(37,99,168,0.1);
}

select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 90px; }

.form-control::placeholder { color: var(--gray-400); }
.form-text { font-size: 0.78rem; color: var(--gray-500); margin-top: 4px; }

/* ===== SEARCH / FILTERS ===== */
.search-bar {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.search-input-wrap {
    position: relative;
    flex: 1;
    min-width: 200px;
}

.search-input-wrap .search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
}

.search-input-wrap .search-icon svg { width: 16px; height: 16px; }

.search-input-wrap input {
    width: 100%;
    padding: 10px 14px 10px 40px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--navy-800);
    transition: var(--transition);
}

.search-input-wrap input:focus {
    outline: none;
    border-color: var(--navy-400);
    box-shadow: 0 0 0 4px rgba(37,99,168,0.1);
}

/* ===== BADGES ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success { background: var(--success-light); color: var(--success); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-info { background: var(--navy-50); color: var(--navy-500); }

/* ===== MODAL ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10,22,40,0.5);
    backdrop-filter: blur(4px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active { opacity: 1; visibility: visible; }

.modal-box {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 600px;
    max-height: 85vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: var(--transition);
}

.modal-overlay.active .modal-box { transform: scale(1); }

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 { font-size: 1.1rem; font-weight: 700; color: var(--navy-800); }

.modal-close {
    background: none;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--gray-400);
    transition: var(--transition);
}

.modal-close:hover { background: var(--gray-100); color: var(--gray-700); }
.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--gray-100); display: flex; justify-content: flex-end; gap: 12px; }

/* ===== ALERTS ===== */
.alert {
    padding: 14px 20px;
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-left: 4px solid;
}

.alert-success { background: var(--success-light); color: #065f46; border-color: var(--success); }
.alert-danger { background: var(--danger-light); color: #991b1b; border-color: var(--danger); }
.alert-warning { background: var(--warning-light); color: #92400e; border-color: var(--warning); }
.alert-info { background: var(--navy-50); color: var(--navy-700); border-color: var(--navy-400); }

/* ===== IMAGE UPLOAD ===== */
.image-upload-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 16px;
}

.image-upload-box {
    aspect-ratio: 1;
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    background: var(--gray-50);
}

.image-upload-box:hover { border-color: var(--navy-400); background: var(--navy-50); }

.image-upload-box input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.image-upload-box .upload-text {
    font-size: 0.75rem;
    color: var(--gray-400);
    text-align: center;
    padding: 8px;
}

.image-upload-box .upload-text svg { width: 28px; height: 28px; margin-bottom: 6px; }

.image-upload-box .preview-img {
    position: absolute;
    inset: 0;
    object-fit: cover;
    width: 100%;
    height: 100%;
}

.image-upload-box .remove-btn {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 24px;
    height: 24px;
    background: var(--danger);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 14px;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 5;
}

.image-upload-box:hover .remove-btn { display: flex; }

/* ===== CHARTS AREA ===== */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 24px;
}

.chart-container { position: relative; width: 100%; min-height: 300px; }
.chart-container canvas { width: 100% !important; }

/* ===== SALE ITEMS ===== */
.sale-items-table { margin-bottom: 16px; }

.sale-summary {
    background: var(--navy-50);
    border-radius: var(--radius-md);
    padding: 20px;
}

.sale-summary .summary-row {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    font-size: 0.9rem;
}

.sale-summary .summary-row.total {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--navy-800);
    border-top: 2px solid var(--navy-200);
    padding-top: 12px;
    margin-top: 8px;
}

/* ===== RECEIPT ===== */
.receipt-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    padding: 40px;
    border: 1px solid var(--gray-200);
}

.receipt-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 3px solid var(--navy-700);
}

.receipt-header .logo-area img { max-height: 60px; }
.receipt-header .receipt-info { text-align: right; }
.receipt-header .receipt-info h2 { font-size: 1.4rem; color: var(--navy-800); }
.receipt-header .receipt-info .receipt-number { font-family: 'Space Mono', monospace; font-size: 1rem; color: var(--navy-500); }

.receipt-section { margin-bottom: 24px; }
.receipt-section h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; color: var(--gray-500); margin-bottom: 8px; }

.receipt-table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.receipt-table th { background: var(--navy-700); color: var(--white); padding: 10px 14px; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.5px; text-align: left; }
.receipt-table td { padding: 10px 14px; border-bottom: 1px solid var(--gray-200); font-size: 0.9rem; }
.receipt-table tfoot td { font-weight: 700; border-top: 2px solid var(--navy-700); }

.receipt-footer { text-align: center; margin-top: 40px; padding-top: 20px; border-top: 1px dashed var(--gray-300); color: var(--gray-500); font-size: 0.8rem; }

/* ===== PAGINATION ===== */
.pagination {
    display: flex;
    gap: 6px;
    justify-content: center;
    margin-top: 20px;
}

.pagination a, .pagination span {
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid var(--gray-200);
    color: var(--navy-600);
    transition: var(--transition);
}

.pagination a:hover { background: var(--navy-50); border-color: var(--navy-400); }
.pagination .active { background: var(--navy-700); color: var(--white); border-color: var(--navy-700); }

/* ===== EMPTY STATE ===== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-400);
}

.empty-state svg { width: 64px; height: 64px; margin-bottom: 16px; opacity: 0.4; }
.empty-state h4 { font-size: 1.1rem; color: var(--gray-500); margin-bottom: 8px; }
.empty-state p { font-size: 0.9rem; }

/* ===== AUTOCOMPLETE ===== */
.autocomplete-wrap { position: relative; }

.autocomplete-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border: 2px solid var(--navy-400);
    border-top: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    max-height: 240px;
    overflow-y: auto;
    z-index: 50;
    display: none;
    box-shadow: var(--shadow-lg);
}

.autocomplete-results.active { display: block; }

.autocomplete-item {
    padding: 10px 14px;
    cursor: pointer;
    font-size: 0.88rem;
    border-bottom: 1px solid var(--gray-100);
    transition: var(--transition);
}

.autocomplete-item:hover { background: var(--navy-50); }
.autocomplete-item .item-main { font-weight: 600; color: var(--navy-800); }
.autocomplete-item .item-sub { font-size: 0.78rem; color: var(--gray-500); }

/* ===== UTILITY ===== */
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-muted { color: var(--gray-500) !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-2 { margin-bottom: 12px !important; }
.mb-3 { margin-bottom: 20px !important; }
.mt-2 { margin-top: 12px !important; }
.mt-3 { margin-top: 20px !important; }
.d-flex { display: flex; }
.gap-2 { gap: 12px; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.fw-bold { font-weight: 700; }
.fs-sm { font-size: 0.85rem; }

/* ===== PRINT ===== */
@media print {
    body { background: white; }
    .sidebar, .top-header, .no-print, .btn { display: none !important; }
    .main-content { margin-left: 0 !important; }
    .receipt-container { border: none; padding: 0; box-shadow: none; }
    .page-content { padding: 0; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .charts-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open { transform: translateX(0); box-shadow: var(--shadow-xl); }
    .main-content { margin-left: 0; }
    .mobile-toggle { display: block; }
    .top-header { padding: 0 16px; }
    .page-content { padding: 16px; }
    .stats-grid { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
    .stat-card { padding: 16px; }
    .stat-card .stat-value { font-size: 1.3rem; }
    .form-row { grid-template-columns: 1fr; }
    .card-header { padding: 16px; }
    .card-body { padding: 16px; }
    .search-bar { flex-direction: column; }
    .search-input-wrap { width: 100%; }
    .btn-group { width: 100%; }
    .receipt-header { flex-direction: column; gap: 16px; }
    .receipt-header .receipt-info { text-align: left; }
    .receipt-container { padding: 20px; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .login-box { padding: 32px 24px; margin: 16px; }
    .image-upload-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== SIDEBAR OVERLAY ===== */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 99;
}

@media (max-width: 768px) {
    .sidebar.open ~ .sidebar-overlay { display: block; }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-in {
    animation: fadeInUp 0.4s ease forwards;
}

.animate-in:nth-child(1) { animation-delay: 0ms; }
.animate-in:nth-child(2) { animation-delay: 60ms; }
.animate-in:nth-child(3) { animation-delay: 120ms; }
.animate-in:nth-child(4) { animation-delay: 180ms; }
.animate-in:nth-child(5) { animation-delay: 240ms; }
.animate-in:nth-child(6) { animation-delay: 300ms; }

/* ===== TOOLTIP ===== */
.stock-low { color: var(--danger); font-weight: 700; }
.stock-medium { color: var(--warning); font-weight: 600; }
.stock-good { color: var(--success); font-weight: 600; }