:root {
    --bg-dark: #0f172a;
    --bg-panel: #1e293b;
    --bg-hover: #334155;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: #334155;
    --glass: rgba(30, 41, 59, 0.7);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    height: 100vh;
    overflow: hidden;
}

/* Global Header */
.global-header {
    height: 60px;
    background-color: var(--bg-panel);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1.5rem;
    z-index: 20;
}

.header-left {
    display: flex;
    align-items: center;
}

.logo {
    color: var(--primary);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.file-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.filename-input {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-main);
    font-size: 1rem;
    font-weight: 600;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    width: 300px;
    text-align: center;
    font-family: 'Outfit', sans-serif;
    transition: all 0.2s;
}

.filename-input:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--border);
}

.filename-input:focus {
    outline: none;
    border-color: var(--primary);
    background-color: var(--bg-dark);
}

.badge {
    background-color: var(--bg-hover);
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
    border: 1px solid var(--border);
}

.actions {
    display: flex;
    gap: 1rem;
}

.action-btn {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
    font-size: 0.9rem;
}

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

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

.action-btn.secondary {
    background-color: var(--bg-hover);
    color: var(--text-muted);
    padding: 0.6rem;
}

.action-btn.secondary:hover {
    background-color: var(--border);
    color: var(--text-main);
}

.action-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.fa-spin {
    animation: spin 1s linear infinite;
}

/* Main Layout */
.main-layout {
    display: flex;
    height: calc(100vh - 60px);
    position: relative;
}

/* Sidebar (Tools) */
.sidebar {
    width: 70px;
    background-color: var(--bg-panel);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem 0;
    z-index: 10;
    justify-content: space-between;
}

.tools-nav {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
}

.tool-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 0;
    cursor: pointer;
    transition: all 0.2s;
    width: 100%;
}

.tool-btn:hover,
.tool-btn.active {
    color: var(--primary);
    background-color: rgba(59, 130, 246, 0.1);
    border-right: 3px solid var(--primary);
}

.tool-btn i {
    font-size: 1.2rem;
}

.tool-btn span {
    font-size: 0.6rem;
}

.bottom-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    align-items: center;
}

/* Left Drawer (Assets) */
.drawer {
    width: 300px;
    max-height: calc(100vh - 60px);
    /* Match main-layout height */
    background-color: var(--bg-panel);
    border-right: 1px solid var(--border);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    /* Enable vertical scrolling */
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
}

.drawer.hidden {
    width: 0;
    border-right: none;
    overflow: hidden;
}

.drawer-content {
    padding: 1.5rem;
    min-width: 300px;
}

/* Custom scrollbar for drawer */
.drawer::-webkit-scrollbar {
    width: 8px;
}

.drawer::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

.drawer::-webkit-scrollbar-thumb {
    background: var(--bg-hover);
    border-radius: 4px;
}

.drawer::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

.drawer-content h4 {
    margin-bottom: 1rem;
    color: var(--text-main);
    font-size: 1rem;
    font-family: 'Outfit', sans-serif;
}

/* Workspace */
.workspace {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-image: radial-gradient(#334155 1px, transparent 1px);
    background-size: 20px 20px;
    position: relative;
    overflow: hidden;
}

.canvas-area {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    overflow: auto;
}

.canvas-container {
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    background-color: white;
}

/* Properties Panel */
.properties-panel {
    width: 280px;
    background-color: var(--bg-panel);
    border-left: 1px solid var(--border);
    padding: 1.5rem;
    overflow-y: auto;
}

.properties-panel h3 {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    color: var(--text-main);
    font-family: 'Outfit', sans-serif;
}

.empty-state {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-align: center;
    margin-top: 2rem;
}

.prop-group {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 1.5rem;
}

.prop-group label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.input-control {
    background-color: var(--bg-dark);
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 0.5rem;
    border-radius: 4px;
    width: 100%;
}

.color-picker {
    width: 100%;
    height: 40px;
    border-radius: 4px;
    border: 1px solid var(--border);
    cursor: pointer;
}

.row {
    display: flex;
    gap: 1rem;
}

.col {
    flex: 1;
}

.actions-row {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

.sm-btn {
    flex: 1;
    background-color: var(--bg-hover);
    border: none;
    color: var(--text-main);
    padding: 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

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

.sm-btn.danger:hover {
    background-color: #ef4444;
}

.sm-btn.full-width {
    width: 100%;
}

.hidden {
    display: none;
}

/* Asset Library */
.asset-library h4 {
    margin-bottom: 1rem;
    color: var(--text-main);
}

.asset-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.asset-item {
    background-color: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s;
}

.asset-item:hover {
    border-color: var(--primary);
    background-color: var(--bg-hover);
    transform: translateY(-2px);
}

.asset-item img {
    width: 100%;
    height: auto;
    margin-bottom: 5px;
}

.asset-item span {
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* Filter UI */
.filter-presets {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.filter-btn {
    background-color: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.8rem;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-main);
}

.filter-btn:hover {
    border-color: var(--primary);
    background-color: var(--bg-hover);
    transform: translateY(-2px);
}

.filter-btn i {
    font-size: 1.5rem;
    color: var(--primary);
}

.filter-btn span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.filter-controls {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.control-group label {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    justify-content: space-between;
}

.control-group input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--bg-hover);
    outline: none;
    -webkit-appearance: none;
}

.control-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
}

.control-group input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: none;
}

.control-group span {
    font-size: 0.8rem;
    color: var(--text-main);
    font-weight: 600;
}

/* Transform Buttons */
.transform-btns {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.filter-btn.small {
    padding: 0.6rem 0.4rem;
}

.filter-btn.small i {
    font-size: 1.2rem;
}

.filter-btn.small span {
    font-size: 0.65rem;
}

/* Crop Ratios */
.crop-ratios {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
}

/* QR Code Form */
.qr-form-container {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.qr-form-container .control-group {
    margin-bottom: 0;
}

.qr-form-container textarea {
    resize: vertical;
    min-height: 80px;
}

.info-box {
    background-color: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 6px;
    padding: 0.8rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-top: 1rem;
    display: flex;
    gap: 0.5rem;
    align-items: flex-start;
}

.info-box i {
    color: var(--primary);
    margin-top: 0.2rem;
}