/* =====================================================
   CorelClone Pro 2026 — Design System (Cyber Studio)
   ===================================================== */
:root {
    --bg-dark: #0f172a;
    --bg-panel: #1e293b;
    --bg-card: rgba(30, 41, 59, 0.85);
    --border-color: rgba(168, 85, 247, 0.2);
    --border-hover: rgba(168, 85, 247, 0.5);
    --accent-gradient: linear-gradient(135deg, #6366f1, #a855f7);
    --accent-glow: 0 0 20px rgba(168, 85, 247, 0.4);
    --text-main: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-primary: #6366f1;
    --accent-secondary: #a855f7;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
    user-select: none;
}

body.dark-theme {
    background-color: var(--bg-dark);
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* ==================== App Header ==================== */
.app-header {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 56px;
    z-index: 100;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--accent-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #fff;
    box-shadow: var(--accent-glow);
}

.brand-name {
    font-size: 1.05rem;
    font-weight: 800;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
}

.badge-pro {
    background: var(--accent-gradient);
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 6px;
    color: #fff;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.brand-sub {
    font-size: 0.72rem;
    color: var(--text-secondary);
    display: block;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.preset-dropdown {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.preset-dropdown select {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    color: #fff;
    padding: 6px 12px;
    border-radius: 8px;
    outline: none;
    font-size: 0.85rem;
}

/* ==================== Contextual Property Bar ==================== */
.property-bar {
    background: rgba(30, 41, 59, 0.9);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 6px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    height: 42px;
    font-size: 0.8rem;
    overflow-x: auto;
    z-index: 90;
}

.prop-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.prop-label {
    color: var(--text-secondary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}

.prop-input {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid var(--border-color);
    color: #fff;
    padding: 4px 8px;
    border-radius: 6px;
    width: 65px;
    font-size: 0.8rem;
    outline: none;
}

.prop-select {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid var(--border-color);
    color: #fff;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.8rem;
    outline: none;
}

.prop-divider {
    width: 1px;
    height: 20px;
    background: rgba(255, 255, 255, 0.1);
}

.color-picker-input {
    width: 28px;
    height: 24px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    background: none;
    padding: 0;
}

.btn-tool-sm {
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid var(--border-color);
    color: #cbd5e1;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-tool-sm:hover {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 0 10px rgba(168, 85, 247, 0.4);
}

/* ==================== Main Workspace ==================== */
.main-workspace {
    display: flex;
    flex: 1;
    position: relative;
    overflow: hidden;
}

/* Tool Palette Left */
.tool-palette {
    width: 52px;
    background: rgba(15, 23, 42, 0.95);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 0;
    gap: 8px;
    z-index: 80;
}

.tool-btn {
    width: 38px;
    height: 38px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 10px;
    color: #94a3b8;
    font-size: 1.05rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    transition: all 0.2s ease;
}

.tool-btn:hover {
    background: rgba(168, 85, 247, 0.15);
    color: #fff;
    border-color: rgba(168, 85, 247, 0.3);
}

.tool-btn.active {
    background: var(--accent-gradient);
    color: #fff;
    border-color: var(--accent-secondary);
    box-shadow: var(--accent-glow);
}

.tool-shortcut {
    font-size: 0.55rem;
    font-weight: 700;
    opacity: 0.8;
    margin-top: 1px;
}

.tool-separator {
    width: 24px;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 4px 0;
}

/* Canvas Viewport */
.canvas-viewport {
    flex: 1;
    position: relative;
    background: #090d16;
    overflow: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Workspace Board */
.workspace-board {
    background: #1e293b;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7), 0 0 40px rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    position: relative;
}

/* Rulers */
.ruler-horizontal {
    position: absolute;
    top: 0;
    left: 24px;
    right: 0;
    height: 24px;
    background: #0f172a;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 50;
}

.ruler-vertical {
    position: absolute;
    top: 24px;
    left: 0;
    bottom: 0;
    width: 24px;
    background: #0f172a;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 50;
}

/* Inspector Right */
.inspector-panel {
    width: 280px;
    background: rgba(15, 23, 42, 0.95);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 80;
}

.inspector-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    background: rgba(30, 41, 59, 0.5);
}

.tab-btn {
    flex: 1;
    padding: 10px 4px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.tab-btn.active {
    color: #fff;
    border-bottom: 2px solid var(--accent-secondary);
    background: rgba(168, 85, 247, 0.1);
}

.inspector-content {
    display: none;
    padding: 16px;
    flex: 1;
    overflow-y: auto;
}

.inspector-content.active {
    display: block;
}

.section-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: #c084fc;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.align-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.btn-align {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    color: #fff;
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-align:hover {
    background: var(--accent-gradient);
}

/* Color Palette Bar Bottom */
.color-palette-bar {
    height: 38px;
    background: #0f172a;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 16px;
    gap: 12px;
    z-index: 90;
}

.palette-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 700;
}

.palette-swatches {
    display: flex;
    gap: 4px;
    overflow-x: auto;
    flex: 1;
}

.swatch-item {
    width: 22px;
    height: 22px;
    border-radius: 4px;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.15s;
}

.swatch-item:hover {
    transform: scale(1.25);
    z-index: 10;
}

/* Buttons */
.btn {
    padding: 8px 16px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.82rem;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.25s;
}

.btn-primary {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: var(--accent-glow);
}

.btn-secondary {
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid var(--border-color);
    color: #cbd5e1;
}

.btn-secondary:hover {
    border-color: var(--accent-secondary);
    color: #fff;
}

.btn-block {
    width: 100%;
    margin-bottom: 8px;
    justify-content: center;
}

/* Footer */
.app-footer {
    background: #090d16;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 10px 24px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links a {
    color: #c084fc;
    text-decoration: none;
    margin-left: 16px;
}

.footer-links a:hover {
    color: #fff;
}

/* Multi-Page CDR Tab Bar */
.cdr-page-tab-bar {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    padding: 6px 14px;
    display: flex;
    gap: 8px;
    z-index: 120;
    box-shadow: 0 10px 30px rgba(0,0,0,0.6);
}
.page-tab-item {
    background: rgba(30, 41, 59, 0.7);
    border: 1px solid var(--border-color);
    color: #94a3b8;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}
.page-tab-item:hover {
    color: #fff;
    border-color: #a855f7;
}
.page-tab-item.active {
    background: linear-gradient(135deg, #6366f1, #a855f7);
    color: #ffffff;
    border-color: #a855f7;
    box-shadow: 0 0 15px rgba(168, 85, 247, 0.4);
}

/* Header Separators & Quick Buttons */
.header-separator {
    width: 1px;
    height: 24px;
    background: rgba(255, 255, 255, 0.1);
    margin: 0 4px;
}

.history-quick-btns {
    display: flex;
    align-items: center;
    gap: 4px;
}

.btn-icon, .btn-icon-only {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid var(--border-color);
    color: #cbd5e1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s ease;
}

.btn-icon:hover, .btn-icon-only:hover {
    background: var(--accent-gradient);
    color: #fff;
    border-color: var(--accent-secondary);
    box-shadow: var(--accent-glow);
}

.zoom-val-indicator {
    font-weight: 700;
    color: #38bdf8;
    min-width: 48px;
    text-align: center;
    font-size: 0.8rem;
}

.btn-micro {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}
.btn-micro:hover {
    background: #ef4444;
    color: #fff;
}

.palette-tip {
    font-size: 0.7rem;
    color: #94a3b8;
    white-space: nowrap;
    margin-left: 8px;
}

.badge-tip {
    background: rgba(168, 85, 247, 0.25);
    color: #c084fc;
    padding: 1px 6px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.65rem;
    margin-right: 4px;
}

/* Transform Overlay & Handles (CorelDRAW Bounding Box) */
.transform-bounding-rect {
    fill: none;
    stroke: #38bdf8;
    stroke-width: 1.5;
    stroke-dasharray: 4 3;
    pointer-events: none;
}

.transform-handle {
    fill: #ffffff;
    stroke: #0284c7;
    stroke-width: 1.5;
    cursor: pointer;
    transition: transform 0.1s ease;
}
.transform-handle:hover {
    fill: #38bdf8;
    transform: scale(1.3);
}

.transform-handle-rot {
    fill: #a855f7;
    stroke: #ffffff;
    stroke-width: 1.5;
    cursor: grab;
}

.transform-rot-line {
    stroke: #a855f7;
    stroke-width: 1.2;
    stroke-dasharray: 2 2;
    pointer-events: none;
}

/* Layer Item in Inspector */
.layer-item {
    padding: 8px 12px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-size: 0.8rem;
    color: #cbd5e1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.15s ease;
}
.layer-item:hover {
    background: rgba(255, 255, 255, 0.05);
}
.layer-item.active {
    background: rgba(99, 102, 241, 0.25);
    color: #fff;
    border-color: rgba(99, 102, 241, 0.4);
}
.layer-item-actions {
    display: flex;
    gap: 6px;
    opacity: 0.7;
}
.layer-item:hover .layer-item-actions {
    opacity: 1;
}

/* Toast Notification */
.toast-container {
    position: fixed;
    bottom: 50px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}
.toast-item {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    color: #fff;
    padding: 10px 16px;
    border-radius: 12px;
    font-size: 0.82rem;
    font-weight: 600;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    animation: toastSlideIn 0.3s ease forwards;
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 8px;
}
@keyframes toastSlideIn {
    from { opacity: 0; transform: translateY(12px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}