:root {
    --bg: #0f0f1a;
    --surface: #1a1a2e;
    --surface-alt: #222240;
    --border: #333355;
    --text: #e0e0f0;
    --text-muted: #8888aa;
    --accent: #7c5cbf;
    --accent-hover: #9b7dd4;
    --success: #4caf50;
    --danger: #e74c3c;
    --warning: #f39c12;

    --radius-sm: 4px;
    --radius: 6px;
    --radius-lg: 8px;

    --text-xs: 0.75rem;
    --text-sm: 0.85rem;
    --text-base: 0.9rem;
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

/* --- Base input --- */

input, select, textarea {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    font-size: var(--text-base);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
}


input[type="file"] {
    padding: 0.4rem;
}

small {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

/* --- Nav --- */

.topnav {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.topnav .brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
}

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

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: all 0.15s;
}

.nav-links a:hover {
    color: var(--text);
    background: var(--surface-alt);
}

/* --- Layout --- */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem;
}

h1 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.total-count {
    color: var(--text-muted);
    font-size: var(--text-base);
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-muted);
    padding: 3rem;
}

.empty-state a {
    color: var(--accent);
}

/* --- Flash --- */

.flash {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: var(--text-base);
}

.flash-success { background: rgba(76, 175, 80, 0.15); border: 1px solid var(--success); }
.flash-error { background: rgba(231, 76, 60, 0.15); border: 1px solid var(--danger); }

/* --- Buttons --- */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--radius);
    font-size: var(--text-base);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s;
    color: #fff;
}

.btn-primary { background: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #c0392b; }
.btn-ghost { background: var(--surface-alt); }
.btn-ghost:hover { background: var(--border); }
.btn-sm { padding: 0.3rem 0.6rem; font-size: var(--text-sm); }

/* --- Filter bar --- */

.filter-bar {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.filter-bar input[type="text"] {
    flex: 1;
    min-width: 200px;
}

/* --- Monster grid --- */

.monster-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
}

.monster-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1rem;
    text-decoration: none;
    color: var(--text);
    transition: all 0.15s;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.monster-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(124, 92, 191, 0.2);
}

.monster-card .sprite {
    width: 96px;
    height: 96px;
    image-rendering: pixelated;
    object-fit: contain;
    margin-bottom: 0.75rem;
    background: var(--surface-alt);
    border-radius: var(--radius);
    padding: 8px;
}

.monster-card h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.sprite-placeholder {
    width: 96px;
    height: 96px;
    background: var(--surface-alt);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.sprite-placeholder--lg {
    width: 144px;
    height: 144px;
    font-size: 3rem;
}

.stat-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    justify-content: center;
}

.stat-pill {
    background: var(--surface-alt);
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.stat-pill b {
    color: var(--text);
}

/* --- Pagination --- */

.pagination {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin-top: 1.5rem;
    align-items: center;
}

.pagination a,
.pagination span {
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-size: var(--text-base);
}

.pagination a {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
}

.pagination a:hover {
    border-color: var(--accent);
}

.pagination .current {
    background: var(--accent);
    color: #fff;
}

.pagination .info {
    color: var(--text-muted);
    font-size: var(--text-sm);
}

/* --- Monster detail --- */

.monster-detail {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2rem;
    align-items: start;
}

@media (max-width: 768px) {
    .monster-detail { grid-template-columns: 1fr; }
}

.monster-sprites {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.monster-sprites img {
    image-rendering: pixelated;
    width: 144px;
    height: 144px;
    object-fit: contain;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 12px;
}

.monster-sprites .label {
    font-size: var(--text-sm);
    color: var(--text-muted);
    text-align: center;
    margin-top: 0.5rem;
}

.sprite-canvas {
    border-radius: var(--radius-lg);
    background: var(--surface);
    image-rendering: pixelated;
}

.anim-buttons {
    display: flex;
    gap: 0.4rem;
    margin-top: 0.75rem;
    flex-wrap: wrap;
}

.stat-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
}

.stat-table caption {
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    padding: 0.5rem 0;
    color: var(--accent);
}

.stat-table td,
.stat-table th {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border);
    text-align: left;
}

.stat-table th {
    color: var(--text-muted);
    font-weight: 500;
    width: 40%;
}

.stat-table td {
    font-variant-numeric: tabular-nums;
}

.detail-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

/* --- Forms --- */

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 600px) {
    .form-grid { grid-template-columns: 1fr; }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

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

.form-group label {
    font-size: var(--text-sm);
    color: var(--text-muted);
    font-weight: 500;
}

.label-row {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.info-tip {
    position: relative;
    cursor: help;
}

.info-tip-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--border);
    color: var(--text-muted);
    font-size: 10px;
    font-weight: 700;
    line-height: 1;
    flex-shrink: 0;
}

.info-tip-text {
    display: none;
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.5rem 0.7rem;
    font-size: var(--text-sm);
    font-weight: 400;
    color: var(--text);
    line-height: 1.45;
    width: max-content;
    max-width: 260px;
    z-index: 50;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.info-tip:hover .info-tip-text,
.info-tip:focus .info-tip-text {
    display: block;
}

/* Form errors (Symfony renders these as <ul class="form-error-list">) */
.form-group .help-text,
.form-group ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.form-group li,
.form-group .form-error-message {
    color: var(--danger);
    font-size: var(--text-sm);
}

.form-group input:invalid,
.form-group select:invalid {
    border-color: var(--danger);
}

.form-errors-banner {
    background: rgba(231, 76, 60, 0.15);
    border: 1px solid var(--danger);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    color: var(--danger);
    font-size: var(--text-sm);
}

.form-errors-banner ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.form-section {
    margin: 1.5rem 0 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent);
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.3rem;
    grid-column: 1 / -1;
}

.form-actions {
    margin-top: 1.5rem;
    display: flex;
    gap: 0.75rem;
}

.sprite-preview {
    max-width: 96px;
    max-height: 96px;
    image-rendering: pixelated;
    background: var(--surface-alt);
    border-radius: var(--radius);
    margin-top: 0.5rem;
}

/* --- Animation editor --- */

.anim-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 0.5rem;
    padding: 0.5rem;
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.anim-row label {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.anim-row .anim-check {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.anim-row .btn-danger {
    margin-left: auto;
}

.anim-input {
    padding: 0.35rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
}

.anim-input--name { width: 100px; }
.anim-input--sm { width: 60px; }
.anim-input--md { width: 80px; }

/* --- Sprite splitter --- */

.splitter-preview-section {
    margin-top: 1.5rem;
}

.splitter-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.splitter-info {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.splitter-scales {
    display: flex;
    gap: 0.3rem;
}

.splitter-canvas-wrap {
    overflow: auto;
    max-height: 70vh;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.splitter-canvas-wrap canvas {
    display: block;
    image-rendering: pixelated;
}

.frame-thumb-clickable {
    cursor: pointer;
}

.frame-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.frame-thumb-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.frame-thumb-wrapper.frame-empty {
    opacity: 0.3;
}

.frame-thumb {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    image-rendering: pixelated;
}

.frame-label {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.split-result-info {
    color: var(--success);
    margin-bottom: 1rem;
    font-size: var(--text-sm);
}

/* --- Sprite pool --- */

.pool-panel {
    margin-top: 1.5rem;
    padding: 1.25rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.pool-desc {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.pool-confirm-label {
    display: flex;
    gap: 0.5rem;
    align-items: flex-start;
    font-size: var(--text-sm);
    color: var(--text-muted);
    line-height: 1.5;
    cursor: pointer;
}

.pool-confirm-label input[type="checkbox"] {
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.pool-status {
    margin-top: 0.75rem;
    font-size: var(--text-sm);
}

.pool-status--success { color: var(--success); }
.pool-status--error { color: var(--danger); }

.pool-picker-section {
    margin-top: 2rem;
}

.pool-pick-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.pool-pick-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    cursor: pointer;
    padding: 0.4rem;
    border: 2px solid transparent;
    border-radius: var(--radius);
    transition: border-color 0.15s;
}

.pool-pick-item:hover {
    border-color: var(--accent);
}

.pool-pick-claimed {
    border-color: var(--success);
    opacity: 0.5;
}

.pool-pick-selected {
    border-color: var(--success);
    background: rgba(76, 175, 80, 0.1);
}

.pool-pick-img {
    width: 64px;
    height: 64px;
    object-fit: contain;
    image-rendering: pixelated;
    background: var(--surface-alt);
    border-radius: var(--radius-sm);
}

.pool-pick-grid--inline {
    margin-top: 0.5rem;
    max-height: 180px;
    overflow-y: auto;
    padding: 0.25rem;
}

.pool-pick-grid--inline .pool-pick-item {
    padding: 0.25rem;
}

.pool-pick-grid--inline .pool-pick-img {
    width: 48px;
    height: 48px;
}

/* --- Utilities --- */

.hidden {
    display: none !important;
}