/* Modern, Clean CSS for Critcher's Mod Maker */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Theme: Copper Nugget (Default) */
:root {
    --primary-brown: #78350f;
    --primary-brown-light: #92400e;
    --primary-green: #16a34a;
    --primary-green-dark: #15803d;
    --bg-cream: #fef9e7;
    --bg-light: #fffbf0;
    --text-dark: #1f2937;
    --text-muted: #6b7280;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --header-bg-start: #78350f;
    --header-bg-mid: #92400e;
    --header-bg-end: #16a34a;
    --body-bg-start: #92400e;
    --body-bg-mid: #78350f;
    --body-bg-end: #15803d;
    --main-arrow-color: #78350f;
    --sub-arrow-color: #1f2937;
}

/* Theme: Light Mode */
[data-theme="light"] {
    --primary-brown: #4a5568;
    --primary-brown-light: #718096;
    --primary-green: #38a169;
    --primary-green-dark: #2f855a;
    --bg-cream: #ffffff;
    --bg-light: #f7fafc;
    --text-dark: #1a202c;
    --text-muted: #4a5568;
    --border-color: #e2e8f0;
    --main-arrow-color: #2563eb;
    --sub-arrow-color: #1a202c;
}

/* Theme: Dark Mode */
[data-theme="dark"] {
    --primary-brown: #4a5568;
    --primary-brown-light: #2d3748;
    --primary-green: #68d391;
    --primary-green-dark: #48bb78;
    --bg-cream: #1a202c;
    --bg-light: #2d3748;
    --text-dark: #f7fafc;
    --text-muted: #a0aec0;
    --border-color: #4a5568;
    --header-bg-start: #2d3748;
    --header-bg-mid: #1a202c;
    --header-bg-end: #2d3748;
    --body-bg-start: #1a202c;
    --body-bg-mid: #2d3748;
    --body-bg-end: #1a202c;
    --main-arrow-color: #68d391;
    --sub-arrow-color: #cbd5e0;
}

/* Theme: Colorblind Friendly */
[data-theme="colorblind"] {
    --primary-brown: #0066cc;
    --primary-brown-light: #3399ff;
    --primary-green: #00cc66;
    --primary-green-dark: #00994d;
    --bg-cream: #f0f8ff;
    --bg-light: #ffffff;
    --text-dark: #003366;
    --text-muted: #666699;
    --border-color: #99ccff;
    --main-arrow-color: #0066cc;
    --sub-arrow-color: #003366;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, var(--primary-brown-light) 0%, var(--primary-brown) 50%, var(--primary-green-dark) 100%);
    background-attachment: fixed;
    min-height: 100vh;
    padding: 20px;
    color: var(--text-dark);
    line-height: 1.6;
    transition: background 0.3s ease, color 0.3s ease;
}

/* Dark mode body background */
[data-theme="dark"] body {
    background: linear-gradient(135deg, var(--body-bg-start) 0%, var(--body-bg-mid) 50%, var(--body-bg-end) 100%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--bg-cream);
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 2px solid var(--border-color);
    transition: background 0.3s ease, border-color 0.3s ease;
}

.header {
    background: linear-gradient(135deg, var(--primary-brown) 0%, var(--primary-brown-light) 50%, var(--primary-green) 100%);
    color: white;
    padding: 40px 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: background 0.3s ease;
}

.header-stats {
    margin: 12px 0;
    font-size: 0.95em;
    opacity: 0.9;
}

.mod-counter {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 6px;
    backdrop-filter: blur(4px);
}

.mod-counter strong {
    font-weight: 600;
    font-size: 1.1em;
}

/* Dark mode header */
[data-theme="dark"] .header {
    background: linear-gradient(135deg, var(--header-bg-start) 0%, var(--header-bg-mid) 50%, var(--header-bg-end) 100%);
    color: var(--text-dark);
}

[data-theme="dark"] .mod-counter {
    background: rgba(0, 0, 0, 0.2);
    color: var(--text-dark);
}

.theme-selector {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.theme-selector label {
    color: white;
    font-size: 0.9em;
    font-weight: 500;
    opacity: 0.9;
}

.theme-selector select {
    padding: 6px 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 0.9em;
    cursor: pointer;
    transition: background 0.2s ease;
}

.theme-selector select:hover {
    background: rgba(255, 255, 255, 0.3);
}

.theme-selector select:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.3);
}

.theme-selector select option {
    background: var(--bg-cream);
    color: var(--text-dark);
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 30%, rgba(146, 64, 14, 0.25) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(34, 197, 94, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

.header h1 {
    font-size: 2.5em;
    margin-bottom: 12px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 1;
}

.header p {
    opacity: 0.95;
    font-size: 1.1em;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.kofi-link {
    display: inline-block;
    color: white;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 16px;
    border-radius: 6px;
    transition: background 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    z-index: 1;
}

.kofi-link:hover {
    background: rgba(255, 255, 255, 0.3);
}

.main-content {
    padding: 30px;
}

.section {
    background: transparent;
    border-radius: 0;
    padding: 0;
    margin-bottom: 12px;
    box-shadow: none;
    border: none;
}

.section-title {
    font-size: 1.2em;
    font-weight: 600;
    margin-bottom: 0;
    color: var(--text-dark);
    border-bottom: none;
    padding-bottom: 0;
    padding: 8px 0;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.form-grid .list-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
}

.form-grid .list-item label {
    width: 100%;
    min-width: auto;
    margin-bottom: 4px;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-top: 8px;
    margin-bottom: 8px;
}

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

.form-group label {
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    background: var(--bg-cream);
    color: var(--text-dark);
    transition: border-color 0.2s, box-shadow 0.2s, background 0.3s ease, color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.1);
}

.form-group small {
    margin-top: 4px;
    font-size: 0.85em;
    color: var(--text-muted);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.checkbox-group label {
    font-weight: 500;
    cursor: pointer;
    user-select: none;
}

.sub-section {
    margin-top: 12px;
    padding: 0;
    background: transparent;
    border-radius: 0;
    border: none;
}

/* Bulk edit sections - simplified, no decorations */
.bulk-section-tools,
.bulk-section-armor,
.bulk-section-creatures,
.bulk-section-stacks,
.bulk-section-light,
.bulk-section-warning {
    background: transparent !important;
    border: none !important;
}

.sub-section-title {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-size: 1.1em;
    padding: 4px 0;
}

.list-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
}

.list-item label {
    min-width: 150px;
    font-weight: 500;
    color: var(--text-dark);
    display: inline-block;
}

.multiplier-select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-cream);
    color: var(--text-dark);
    cursor: pointer;
    min-width: 140px;
    transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

/* Narrower multiplier selects for armor section */
.armor-section .multiplier-select {
    min-width: 95px;
    font-size: 0.9em;
    padding: 6px 8px;
}

.multiplier-select:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.1);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 15px 40px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: transform 0.2s, box-shadow 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: var(--bg-light);
    color: var(--text-dark);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 15px 40px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-secondary:hover {
    background: var(--border-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.submit-section {
    text-align: center;
    padding: 30px;
}

.status-message {
    margin-top: 20px;
    padding: 12px;
    border-radius: 6px;
    display: none;
}

.status-message.success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
    display: block;
}

.status-message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
    display: block;
}

.status-message.info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #93c5fd;
    display: block;
}

.collapsible {
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s;
}

.collapsible:hover {
    background-color: rgba(0, 0, 0, 0.03);
    border-radius: 4px;
}

.collapsible::before {
    content: '▶';
    display: inline-block;
    margin-right: 8px;
    transition: transform 0.2s;
}

.collapsible.expanded::before {
    transform: rotate(90deg);
}

/* Main section arrows - theme-aware colors */
.section-title.collapsible::before {
    color: var(--main-arrow-color);
    font-weight: bold;
}

/* Sub-section arrows - darker/muted color */
.sub-section-title.collapsible::before {
    color: var(--sub-arrow-color);
}

.hidden {
    display: none !important;
}

/* Loading spinner */
.spinner {
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
    display: inline-block;
    margin-right: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Stack sizes section - category headers */
.category-header {
    background: #f5f5f5;
    border: 1px solid #ddd;
    transition: background 0.3s ease, border-color 0.3s ease;
}

[data-theme="dark"] .category-header {
    background: #2d3748;
    border-color: #4a5568;
    color: var(--text-dark);
}

.category-content {
    transition: background 0.3s ease;
}

/* Storage section - grid items */
[data-theme="dark"] input[type="number"] {
    background: var(--bg-light);
    color: var(--text-dark);
    border-color: var(--border-color);
}

[data-theme="dark"] input[type="number"]:focus {
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(104, 211, 145, 0.1);
}

/* Storage section - item cards */
.storage-item-card {
    transition: background 0.3s ease, border-color 0.3s ease;
}

[data-theme="dark"] .storage-item-card {
    background: var(--bg-light) !important;
    border-color: var(--border-color) !important;
}

.storage-item-title {
    transition: color 0.3s ease;
}

[data-theme="dark"] .storage-item-title {
    color: var(--text-dark) !important;
}

.storage-input {
    background: var(--bg-cream);
    color: var(--text-dark);
    border: 1px solid var(--border-color);
    transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

[data-theme="dark"] .storage-input {
    background: var(--bg-light) !important;
    color: var(--text-dark) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .storage-input:focus {
    border-color: var(--primary-green) !important;
    box-shadow: 0 0 0 3px rgba(104, 211, 145, 0.1) !important;
}

/* Stack sizes search box */
.stack-search-input {
    transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

[data-theme="dark"] .stack-search-input {
    background: var(--bg-light) !important;
    color: var(--text-dark) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .stack-search-input:focus {
    border-color: var(--primary-green) !important;
    box-shadow: 0 0 0 3px rgba(104, 211, 145, 0.1) !important;
}

/* Responsive */
@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .header h1 {
        font-size: 2em;
    }
    
    .main-content {
        padding: 20px;
    }
}