/* Joel & Nanz Internal - Base Styles */

:root {
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f3f5;
    --brand-color: #3da5ff;
    --brand-hover: #2994ec;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --border-color: #dee2e6;
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    --info: #17a2b8;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Navigation */
.nav {
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.nav-logo {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--brand-color);
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Typography */
h1 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-weight: 600;
}

h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-weight: 600;
}

h3 {
    font-size: 1.25rem;
    margin: 1.5rem 0 1rem;
    color: var(--text-primary);
    font-weight: 600;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    text-decoration: none;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
    font-weight: 500;
}

.btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--brand-color);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.btn-primary {
    background: var(--brand-color);
    border-color: var(--brand-color);
    color: white;
}

.btn-primary:hover {
    background: var(--brand-hover);
    border-color: var(--brand-hover);
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.85rem;
}

.btn-danger {
    background: var(--danger);
    border-color: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: #c82333;
    border-color: #bd2130;
}

/* Forms */
.form-layout {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="date"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--brand-color);
    box-shadow: 0 0 0 3px rgba(61, 165, 255, 0.1);
}

textarea {
    resize: vertical;
    font-family: inherit;
}

input[type="checkbox"] {
    width: auto;
    margin-right: 0.5rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* Tables */
.data-table {
    width: 100%;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    border-collapse: collapse;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.data-table thead {
    background: var(--bg-tertiary);
}

.data-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.data-table tbody tr {
    background: var(--bg-secondary);
    transition: background-color 0.15s;
}

.data-table tbody tr:hover {
    background: var(--bg-tertiary);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table tfoot td {
    border-top: 2px solid var(--border-color);
    font-weight: 600;
    background: var(--bg-tertiary);
}

.text-right {
    text-align: right;
}

.text-center {
    text-align: center;
}

.text-danger {
    color: var(--danger);
}

/* Cards */
.info-card {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.info-card p {
    margin: 0.5rem 0;
    color: var(--text-primary);
}

.info-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--brand-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.stat-link {
    display: inline-block;
    margin-top: 0.5rem;
    color: var(--brand-color);
    text-decoration: none;
    font-size: 0.85rem;
}

.stat-link:hover {
    text-decoration: underline;
}

.stat-warning .stat-value {
    color: var(--warning);
}

.stat-danger .stat-value {
    color: var(--danger);
}

.stat-success .stat-value {
    color: var(--success);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    border-radius: 16px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-draft {
    background: #e9ecef;
    color: #6c757d;
}

.badge-sent {
    background: #d1ecf1;
    color: #0c5460;
}

.badge-accepted,
.badge-paid,
.badge-signed {
    background: #d4edda;
    color: #155724;
}

.badge-declined,
.badge-cancelled {
    background: #f8d7da;
    color: #721c24;
}

.badge-partial {
    background: #fff3cd;
    color: #856404;
}

.badge-overdue,
.badge-expired {
    background: #f8d7da;
    color: #721c24;
}

.badge-active {
    background: #d4edda;
    color: #155724;
}

.badge-pending {
    background: #fff3cd;
    color: #856404;
}

.badge-suspended {
    background: #f8d7da;
    color: #721c24;
}

/* Alerts */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
    border-left: 4px solid;
}

.alert-success {
    background: #d4edda;
    border-color: var(--success);
    color: #155724;
}

.alert-error {
    background: #f8d7da;
    border-color: var(--danger);
    color: #721c24;
}

.alert-warning {
    background: #fff3cd;
    border-color: var(--warning);
    color: #856404;
}

.alert-info {
    background: #d1ecf1;
    border-color: var(--info);
    color: #0c5460;
}

/* Header Row */
.header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

/* Line Items */
.line-item {
    display: grid;
    grid-template-columns: 100px 1fr 1.5fr 80px 100px 80px 100px;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border-radius: 6px;
    align-items: center;
    border: 1px solid var(--border-color);
}

.line-item input {
    margin-bottom: 0;
}

/* Section */
.section {
    margin-bottom: 2rem;
}

.section-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-box {
    max-width: 400px;
    width: 100%;
    background: var(--bg-secondary);
    padding: 3rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.login-logo {
    display: block;
    margin: 0 auto 2rem;
    max-width: 200px;
    height: auto;
}

.login-box h1 {
    text-align: center;
    margin-bottom: 2rem;
}

.login-box .form-group:last-of-type {
    margin-bottom: 2rem;
}

.login-box .btn {
    width: 100%;
}

/* Responsive */
@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .form-row,
    .info-row,
    .section-row {
        grid-template-columns: 1fr;
    }

    .line-item {
        grid-template-columns: 1fr;
    }

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