* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background: #f4f6f9;
    color: #222;
}

a {
    color: inherit;
}

/* LOGIN PAGE */

.login-container {
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #f4f6f9;
}

.login-box {
    width: 400px;
    max-width: calc(100% - 30px);
    background: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.login-box h1 {
    text-align: center;
    margin-bottom: 10px;
    color: #111;
}

.subtitle {
    text-align: center;
    margin-bottom: 25px;
    color: #666;
    font-size: 14px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: bold;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    background: #fff;
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.login-btn {
    width: 100%;
    padding: 12px;
    border: none;
    background: #111;
    color: #fff;
    cursor: pointer;
    border-radius: 6px;
    font-size: 15px;
}

.login-btn:hover {
    background: #333;
}

.error-message,
.success-message {
    padding: 10px 12px;
    margin-bottom: 15px;
    border-radius: 5px;
    font-size: 14px;
}

.error-message {
    background: #ffdddd;
    color: #c70000;
    border: 1px solid #f7b2b2;
}

.success-message {
    background: #e3f9e5;
    color: #0d7a27;
    border: 1px solid #b8ebc0;
}

/* MAIN LAYOUT */

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

/* SIDEBAR */

.sidebar {
    width: 250px;
    background: #111;
    color: #fff;
    min-height: 100vh;
    padding-top: 20px;
    flex-shrink: 0;
}

.sidebar-logo {
    text-align: center;
    margin-bottom: 30px;
}

.sidebar-logo h2 {
    font-size: 24px;
}

.sidebar-menu {
    list-style: none;
}

.sidebar-menu li {
    margin-bottom: 5px;
}

.sidebar-menu li a {
    display: block;
    padding: 14px 20px;
    color: #fff;
    text-decoration: none;
    transition: 0.3s;
}

.sidebar-menu li a:hover {
    background: #333;
}

/* CONTENT */

.content {
    flex: 1;
    padding: 20px;
    min-width: 0;
}

/* TOPBAR */

.topbar {
    background: #fff;
    padding: 15px 20px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    box-shadow: 0 0 5px rgba(0,0,0,0.08);
}

.user-info {
    font-weight: bold;
}

.user-role {
    color: #555;
    margin-left: 5px;
}

/* SHARED PAGE ELEMENTS */

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.page-title {
    margin-bottom: 0;
}

.form-container,
.table-container,
.details-container,
.filter-form {
    background: #fff;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 0 5px rgba(0,0,0,0.08);
}

.table-container {
    overflow-x: auto;
}

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

th,
td {
    text-align: left;
    padding: 12px;
    border-bottom: 1px solid #e6e6e6;
}

thead th {
    background: #fafafa;
    font-size: 14px;
}

.no-data {
    text-align: center;
    color: #666;
    padding: 20px;
}

.search-box {
    margin-bottom: 14px;
}

.search-box input {
    max-width: 350px;
}

/* BUTTONS */

.add-btn,
.save-btn,
.secondary-btn,
.back-btn,
.edit-btn,
.delete-btn,
.view-btn,
.print-btn {
    border: none;
    border-radius: 6px;
    padding: 10px 14px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    font-size: 14px;
}

.add-btn,
.save-btn,
.view-btn,
.print-btn {
    background: #111;
    color: #fff;
}

.add-btn:hover,
.save-btn:hover,
.view-btn:hover,
.print-btn:hover {
    background: #333;
}

.secondary-btn,
.back-btn {
    background: #eceef1;
    color: #111;
}

.secondary-btn:hover,
.back-btn:hover {
    background: #dadde2;
}

.edit-btn {
    background: #2563eb;
    color: #fff;
}

.edit-btn:hover {
    background: #1d4ed8;
}

.delete-btn {
    background: #dc2626;
    color: #fff;
}

.delete-btn:hover {
    background: #b91c1c;
}

.action-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* STATUS */

.status-active,
.status-inactive,
.status-warning,
.profit,
.loss {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: bold;
}

.status-active,
.profit {
    background: #dcfce7;
    color: #166534;
}

.status-inactive,
.loss {
    background: #fee2e2;
    color: #991b1b;
}

.status-warning {
    background: #fef9c3;
    color: #854d0e;
}

/* DASHBOARD */

.cards,
.report-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.card,
.report-card,
.details-card,
.welcome-box {
    background: #fff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 0 5px rgba(0,0,0,0.08);
}

.card h3,
.report-card h3 {
    margin-bottom: 10px;
    font-size: 16px;
    color: #555;
}

.card p,
.report-card p {
    font-size: 28px;
    font-weight: bold;
}

.filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 15px;
}

.details-table td:first-child {
    width: 180px;
    color: #555;
}

.purchase-item {
    border: 1px solid #e6e6e6;
    border-radius: 8px;
    padding: 14px;
    margin-bottom: 12px;
    background: #fafafa;
}

/* FOOTER */

.footer {
    margin-top: 30px;
    text-align: center;
    color: #666;
    font-size: 14px;
}

@media (max-width: 900px) {
    .sidebar {
        width: 200px;
    }

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


:root {
    --brand-900: #0f172a;
    --brand-700: #1e3a8a;
    --brand-500: #2563eb;
    --accent-500: #0ea5e9;
    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --border: #e2e8f0;
    --text-900: #0f172a;
    --text-600: #475569;
}

body {
    background: linear-gradient(180deg, #f8fbff 0%, #f1f5f9 100%);
    color: var(--text-900);
}

.sidebar {
    background: linear-gradient(180deg, var(--brand-900) 0%, #111827 100%);
}

.sidebar-logo h2 {
    letter-spacing: .08em;
    font-size: 20px;
}

.sidebar-menu li a {
    margin: 0 10px;
    border-radius: 10px;
    color: #dbeafe;
    font-weight: 600;
}

.sidebar-menu li a i {
    width: 18px;
    margin-right: 10px;
}

.sidebar-menu li a:hover,
.sidebar-menu li a.active {
    background: rgba(37, 99, 235, 0.28);
    color: #fff;
}

.topbar {
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(3px);
}

.topbar-left h2 {
    letter-spacing: .05em;
    color: var(--brand-700);
}

.form-container,
.table-container,
.details-container,
.filter-form,
.card,
.report-card,
.details-card,
.welcome-box {
    border: 1px solid var(--border);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.table-container {
    background: var(--surface);
}

table {
    border-radius: 10px;
    overflow: hidden;
}

thead th {
    background: linear-gradient(180deg, #eff6ff 0%, #dbeafe 100%);
    color: var(--brand-900);
    font-weight: 700;
    border-bottom: 1px solid #bfdbfe;
}

tbody tr {
    transition: background-color .2s ease;
}

tbody tr:nth-child(even) {
    background: var(--surface-soft);
}

tbody tr:hover {
    background: #eaf2ff;
}

/* Explicit table IDs used across modules */
#usersTable,
#customersTable,
#productsTable,
#paymentsTable,
#expensesTable,
#purchaseTable {
    border: 1px solid var(--border);
    border-radius: 12px;
}

#usersTable th,
#customersTable th,
#productsTable th,
#paymentsTable th,
#expensesTable th,
#purchaseTable th {
    white-space: nowrap;
}

#usersTable td,
#customersTable td,
#productsTable td,
#paymentsTable td,
#expensesTable td,
#purchaseTable td {
    vertical-align: middle;
}

.search-box input {
    max-width: 360px;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    padding: 10px 12px;
    box-shadow: inset 0 1px 2px rgba(15,23,42,.06);
}

.search-box input:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--brand-500);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, .15);
}

.add-btn,
.save-btn,
.secondary-btn,
.back-btn,
.edit-btn,
.delete-btn,
.view-btn,
.print-btn {
    font-weight: 600;
}

.add-btn i,
.save-btn i,
.secondary-btn i,
.back-btn i,
.edit-btn i,
.delete-btn i,
.view-btn i,
.print-btn i {
    margin-right: 6px;
}