:root {
    --bg-dark: #141b24;
    --bg-panel: #1c2532;
    --bg-card: #232e3e;
    --bg-input: #1a2230;
    --border: #2a3545;
    --border-accent: #e08a2c;
    --accent: #e08a2c;
    --accent-hover: #f09a3c;
    --text: #cbd5e1;
    --text-white: #f1f5f9;
    --text-muted: #64748b;
    --green: #22c55e;
    --font: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    background: var(--bg-dark);
    color: var(--text);
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.5;
    min-height: 100vh;
}

/* ===== LAYOUT ===== */
.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px 24px;
}

/* ===== HEADER ===== */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-gif {
    width: 32px;
    height: 32px;
    object-fit: contain;
    display: block;
    image-rendering: pixelated;
}

.logo-text h1 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-white);
    letter-spacing: -0.3px;
}

.logo-text p {
    font-size: 12px;
    color: var(--text-muted);
}

/* ===== CONTENT ===== */
.app-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    align-items: start;
}

@media (max-width: 900px) {
    .app-content { grid-template-columns: 1fr; }
}

/* ===== DROPZONE ===== */
.dropzone-container {
    border: 2px dashed var(--border);
    border-radius: 8px;
    padding: 48px 24px;
    text-align: center;
    transition: border-color 0.2s;
    background: var(--bg-panel);
    cursor: pointer;
}

.dropzone-container.dragover {
    border-color: var(--accent);
    background: rgba(224, 138, 44, 0.05);
}

.upload-svg {
    width: 36px;
    height: 36px;
    display: block;
    margin: 0 auto 12px;
    stroke: var(--accent);
    opacity: 0.85;
    transition: transform 0.2s, opacity 0.2s;
}

.dropzone-container.dragover .upload-svg {
    transform: translateY(-2px);
    opacity: 1;
    stroke: var(--accent-hover);
}

.dropzone-message h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 4px;
}

.dropzone-message p {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font);
    font-size: 13px;
    font-weight: 500;
    padding: 7px 14px;
    border-radius: 6px;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.15s;
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text);
}
.btn-secondary:hover {
    background: var(--bg-input);
    border-color: var(--accent);
    color: var(--text-white);
}

.btn-primary {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
    font-weight: 600;
}
.btn-primary:hover {
    background: var(--accent-hover);
}
.btn-primary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-sm { padding: 4px 10px; font-size: 12px; }

/* ===== CANVAS ===== */
.canvas-container {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.canvas-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
}

.canvas-header h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-white);
}

.zoom-hint {
    font-size: 11px;
    font-weight: 400;
    color: var(--text-muted);
}

.canvas-wrapper {
    padding: 8px;
    display: flex;
    justify-content: center;
}

.canvas-wrapper canvas {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
    image-rendering: auto;
}

#screenshot-canvas { cursor: zoom-in; }

/* ===== RESULTS ===== */
.results-dashboard {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.stats-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.stat-card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 14px;
}

.stat-card.highlight-keep { border-color: var(--accent); }

.stat-label {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

.stat-value {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-white);
}

.highlight-keep .stat-value { color: var(--accent); }

/* ===== ITEM LIST ===== */
.columns-container { }

.column-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 8px 8px 0 0;
}

.column-header h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-white);
}

.header-svg {
    width: 16px;
    height: 16px;
    stroke: var(--accent);
    flex-shrink: 0;
}

.list-wrapper {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-top: none;
    border-radius: 0 0 8px 8px;
    max-height: 520px;
    overflow-y: auto;
}

.list-wrapper::-webkit-scrollbar { width: 6px; }
.list-wrapper::-webkit-scrollbar-track { background: var(--bg-dark); }
.list-wrapper::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.item-list { list-style: none; }

.empty-list-msg {
    padding: 24px;
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
}

.item-entry {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 14px;
    border-bottom: 1px solid var(--border);
    transition: background 0.1s;
}
.item-entry:last-child { border-bottom: none; }
.item-entry:hover { background: rgba(224, 138, 44, 0.04); }

.item-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.item-icon-wrapper {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.item-icon {
    width: 32px;
    height: 32px;
    image-rendering: pixelated;
}

.item-details { display: flex; flex-direction: column; }

.item-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-white);
}

.item-subtitle {
    font-size: 11px;
    color: var(--text-muted);
}

.item-qty-badge {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    background: rgba(224, 138, 44, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
    border: 1px solid rgba(224, 138, 44, 0.2);
    flex-shrink: 0;
}

/* ===== ZOOM MODAL ===== */
.zoom-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.9);
    cursor: zoom-out;
    overflow: auto;
}

.zoom-modal.open { display: flex; justify-content: center; align-items: start; padding: 24px; }

.zoom-modal-content {
    margin: auto;
}

.zoom-modal-content canvas {
    display: block;
    image-rendering: pixelated;
    border: 1px solid var(--border);
}

/* ===== NOTIFICATION ===== */
.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--accent);
    color: #000;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 500;
    font-size: 13px;
    transform: translateY(80px);
    opacity: 0;
    transition: all 0.25s;
    z-index: 10000;
}
.notification.show { transform: translateY(0); opacity: 1; }

/* ===== FOOTER ===== */
.app-footer {
    text-align: center;
    padding: 16px 0 8px;
    font-size: 11px;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
    margin-top: 24px;
}

/* ===== SCREENSHOTS LIST ===== */
.screenshots-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px 12px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
}

.screenshot-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 11px;
    color: var(--text);
    cursor: pointer;
    transition: all 0.15s;
}

.screenshot-badge:hover {
    border-color: var(--accent);
}

.screenshot-badge.active {
    background: rgba(224, 138, 44, 0.1);
    border-color: var(--accent);
    color: var(--text-white);
}

.screenshot-name {
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.screenshot-delete-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 14px;
    cursor: pointer;
    line-height: 1;
    padding: 0 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s;
}

.screenshot-delete-btn:hover {
    color: #ef4444;
}

/* ===== COMPACT DROPZONE ===== */
.dropzone-container.compact {
    padding: 12px 16px;
    margin-bottom: 12px;
}

.dropzone-container.compact .upload-svg {
    width: 24px;
    height: 24px;
    margin: 0 auto 4px;
}

.dropzone-container.compact h3 {
    font-size: 13px;
    margin-bottom: 2px;
}

.dropzone-container.compact p {
    font-size: 11px;
    margin-bottom: 0;
}

.dropzone-container.compact .btn {
    display: none;
}

/* ===== PROTECTION ===== */
.app-container, .app-container * {
    -webkit-user-select: none;
    user-select: none;
}
.item-name, .item-subtitle {
    -webkit-user-select: text;
    user-select: text;
}