/* Form Builder - Admin/Dashboard Styles */

/* ===================
   CSS Variables
   =================== */
:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #22c55e;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --background-color: #f8fafc;
    --surface-color: #ffffff;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
}

/* ===================
   Reset & Base
   =================== */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--text-color);
    background-color: var(--background-color);
}

/* ===================
   Header & Navigation
   =================== */
.site-header {
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand a {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
}

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

.nav-link {
    color: var(--secondary-color);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    transition: background-color 0.2s, color 0.2s;
}

.nav-link:hover {
    background-color: var(--background-color);
    color: var(--text-color);
}

.nav-user {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.nav-btn {
    background-color: var(--primary-color);
    color: white !important;
    border-radius: var(--radius-md);
    font-weight: 500;
}

.nav-btn:hover {
    background-color: var(--primary-hover);
    color: white !important;
}

/* ===================
   Main Content
   =================== */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
    min-height: calc(100vh - 140px);
}

/* ===================
   Flash Messages
   =================== */
.flash-messages {
    margin-bottom: 1.5rem;
}

.flash-message {
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 0.5rem;
}

.flash-success {
    background-color: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.flash-error {
    background-color: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.flash-warning {
    background-color: #fffbeb;
    color: #92400e;
    border: 1px solid #fde68a;
}

.flash-info {
    background-color: #eff6ff;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

/* ===================
   Footer
   =================== */
.site-footer {
    background-color: var(--surface-color);
    border-top: 1px solid var(--border-color);
    padding: 1.5rem;
    text-align: center;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-container p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===================
   Buttons
   =================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.2s, transform 0.1s;
}

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

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

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

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

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

/* ===================
   Forms
   =================== */
.form-group {
    margin-bottom: 1rem;
}

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

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--surface-color);
    transition: border-color 0.2s, box-shadow 0.2s;
}

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

.form-error {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* ===================
   Cards
   =================== */
.card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--background-color);
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    background-color: var(--background-color);
}

/* ===================
   Grid Layout
   =================== */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 768px) {
    .grid-cols-2,
    .grid-cols-3 {
        grid-template-columns: 1fr;
    }
}

/* ===================
   Auth Pages
   =================== */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 200px);
    padding: 2rem 1rem;
}

.auth-card {
    width: 100%;
    max-width: 400px;
}

.auth-card .card-header h1 {
    margin: 0;
    font-size: 1.5rem;
    text-align: center;
}

.btn-block {
    width: 100%;
}

.auth-footer {
    margin-top: 1.5rem;
    text-align: center;
    color: var(--text-muted);
}

.auth-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
}

.form-hint {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ===================
   Dashboard
   =================== */
.dashboard-header {
    margin-bottom: 2rem;
}

.dashboard-header h1 {
    margin: 0 0 0.5rem 0;
}

.dashboard-actions {
    margin-bottom: 2rem;
}

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

/* ===================
   Form Cards
   =================== */
.form-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.form-card-title {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
}

.form-card-count {
    font-size: 0.75rem;
    color: var(--text-muted);
    background-color: var(--background-color);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
}

.form-card-description {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin: 0.5rem 0;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.form-card-meta {
    font-size: 0.75rem;
}

.form-card-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
}

/* ===================
   Empty State
   =================== */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.empty-state-icon {
    margin-bottom: 1.5rem;
    color: var(--text-muted);
}

.empty-state h2 {
    margin: 0 0 0.5rem 0;
    font-size: 1.5rem;
}

.empty-state p {
    margin: 0 0 1.5rem 0;
}

/* ===================
   Form Editor
   =================== */
.form-editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.form-editor-header h1 {
    margin: 0;
}

.form-editor-actions {
    display: flex;
    gap: 1rem;
}

.form-html-editor {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    min-height: 300px;
}

.form-editor-layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 1.5rem;
}

.editor-column h2 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.editor-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.preview-panel {
    min-height: 150px;
    padding: 1rem;
    background-color: var(--background-color);
    border-radius: var(--radius-md);
    overflow: auto;
}

.preview-content {
    padding: 0;
}

.fields-panel {
    min-height: 100px;
}

.fields-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.field-item {
    padding: 0.75rem;
    background-color: var(--background-color);
    border-radius: var(--radius-md);
}

.field-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.field-name {
    font-weight: 600;
    font-size: 0.875rem;
}

.field-type {
    font-size: 0.75rem;
    color: var(--text-muted);
    background-color: var(--surface-color);
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-sm);
}

.field-config {
    font-size: 0.875rem;
}

.config-row {
    margin-bottom: 0.5rem;
}

.config-row label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.config-row input[type="text"],
.config-row select {
    width: 100%;
    padding: 0.375rem;
    font-size: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}

.config-row input[type="checkbox"] {
    margin-right: 0.25rem;
}

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

@media (max-width: 1024px) {
    .form-editor-layout {
        grid-template-columns: 1fr;
    }

    .editor-sidebar {
        order: -1;
    }
}