:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --success: #16a34a;
    --danger: #dc2626;
    --warning: #f59e0b;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-500: #6b7280;
    --gray-700: #374151;
    --gray-900: #111827;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--gray-100);
    color: var(--gray-900);
    line-height: 1.5;
}

/* Header & Nav */
.header {
    background: var(--gray-900);
    padding: 0.75rem 1rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    color: white;
    font-weight: 600;
    font-size: 1.125rem;
    text-decoration: none;
}

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

.nav-link {
    color: var(--gray-300);
    text-decoration: none;
    padding: 0.5rem;
}

.nav-link:hover {
    color: white;
}

/* Main Content */
.main {
    min-height: calc(100vh - 60px);
    padding: 1.5rem 1rem;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

h1 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--gray-900);
}

/* Form Styles */
.form {
    background: white;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.fieldset {
    border: none;
    padding: 1.25rem;
    border-bottom: 1px solid var(--gray-200);
}

.fieldset:last-of-type {
    border-bottom: none;
}

.fieldset legend {
    font-weight: 600;
    font-size: 1rem;
    color: var(--gray-700);
    margin-bottom: 1rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.375rem;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
select,
textarea {
    padding: 0.625rem 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

textarea {
    resize: vertical;
    min-height: 60px;
}

/* Checkbox Styles */
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
}

.checkbox-label.inline {
    display: inline-flex;
}

.checkbox-label input[type="checkbox"] {
    width: 1.125rem;
    height: 1.125rem;
    accent-color: var(--primary);
}

.checkbox-label.urgent {
    color: var(--danger);
    margin-top: 1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.15s, transform 0.1s;
}

.btn:active {
    transform: scale(0.98);
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-300);
}

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

.btn-danger {
    background: white;
    color: var(--danger);
    border: 1px solid var(--danger);
}

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

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.form-actions {
    padding: 1.25rem;
    background: var(--gray-50);
    border-radius: 0 0 8px 8px;
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* Hidden */
.hidden {
    display: none !important;
}

/* Message */
.message {
    padding: 1rem;
    border-radius: 6px;
    margin-top: 1rem;
}

.message.success {
    background: #dcfce7;
    color: #166534;
}

.message.error {
    background: #fee2e2;
    color: #991b1b;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1.5rem;
    background: var(--gray-200);
    padding: 0.25rem;
    border-radius: 8px;
}

.tab {
    flex: 1;
    padding: 0.625rem 1rem;
    border: none;
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    color: var(--gray-700);
    transition: all 0.15s;
}

.tab.active {
    background: white;
    color: var(--gray-900);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* Jobs List */
.jobs-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.no-jobs {
    text-align: center;
    padding: 3rem;
    color: var(--gray-500);
}

.job-card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    overflow: hidden;
}

.job-card.urgent {
    border-left: 4px solid var(--danger);
}

.job-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.job-id {
    font-weight: 600;
    color: var(--gray-700);
}

.badge {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge.urgent {
    background: var(--danger);
    color: white;
}

.badge.status-pending {
    background: var(--warning);
    color: white;
}

.badge.status-completed {
    background: var(--success);
    color: white;
}

.job-body {
    padding: 1rem;
    display: grid;
    gap: 0.75rem;
}

.job-customer a {
    color: var(--primary);
    text-decoration: none;
}

.job-customer a:hover {
    text-decoration: underline;
}

.job-strings .label,
.job-instructions .label {
    font-weight: 500;
    color: var(--gray-500);
    font-size: 0.8125rem;
}

.job-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.8125rem;
    color: var(--gray-500);
}

.job-actions {
    display: flex;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
    flex-wrap: wrap;
}

.muted {
    color: var(--gray-500);
}

/* Success Page */
.success-page {
    text-align: center;
    padding: 3rem 1rem;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: var(--success);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto 1.5rem;
}

.success-page .job-number {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary);
    margin: 1rem 0;
}

.success-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}

/* Error Page */
.error-page {
    text-align: center;
    padding: 3rem 1rem;
}

/* Responsive */
@media (max-width: 600px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .checkbox-grid {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn {
        width: 100%;
    }
    
    .job-body {
        font-size: 0.9375rem;
    }
    
    .job-meta {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .tabs {
        flex-wrap: wrap;
    }
    
    .tab {
        flex: 1 1 auto;
        min-width: 80px;
    }
}