/* ========================================
   Toast Notifications
   ======================================== */

.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 10000;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 13px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    pointer-events: auto;
    animation: toastSlideIn 0.3s ease;
    max-width: 400px;
}

.toast.hiding {
    animation: toastSlideOut 0.3s ease forwards;
}

.toast-icon {
    font-size: 16px;
    flex-shrink: 0;
}

.toast-message {
    flex: 1;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    font-size: 18px;
    line-height: 1;
}

.toast-close:hover {
    color: var(--text-primary);
}

.toast.success {
    border-color: var(--accent-success);
    background: linear-gradient(135deg, var(--bg-secondary), rgba(34, 197, 94, 0.1));
}

.toast.error {
    border-color: var(--accent-danger);
    background: linear-gradient(135deg, var(--bg-secondary), rgba(239, 68, 68, 0.1));
}

.toast.warning {
    border-color: var(--accent-warning);
    background: linear-gradient(135deg, var(--bg-secondary), rgba(245, 158, 11, 0.1));
}

.toast.info {
    border-color: var(--accent-primary);
    background: linear-gradient(135deg, var(--bg-secondary), rgba(59, 130, 246, 0.1));
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(100px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes toastSlideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }

    to {
        opacity: 0;
        transform: translateX(100px);
    }
}

/* ========================================
   Context Menu
   ======================================== */

.context-menu {
    position: fixed;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    min-width: 180px;
    z-index: 10000;
    padding: 6px 0;
    animation: contextMenuFadeIn 0.15s ease;
}

@keyframes contextMenuFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.context-menu-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.context-menu-item:hover {
    background: var(--bg-tertiary);
}

.context-menu-item.disabled {
    color: var(--text-muted);
    pointer-events: none;
}

.context-menu-item.danger:hover {
    background: rgba(239, 68, 68, 0.2);
    color: var(--accent-danger);
}

.context-menu-shortcut {
    font-size: 11px;
    color: var(--text-muted);
    margin-left: 20px;
}

.context-menu-divider {
    height: 1px;
    background: var(--border-color);
    margin: 6px 0;
}

/* ========================================
   Grid
   ======================================== */

.grid-pattern line {
    stroke: rgba(255, 255, 255, 0.05);
    stroke-width: 1;
}

.grid-pattern line.major {
    stroke: rgba(255, 255, 255, 0.1);
}

.snap-guide {
    stroke: var(--accent-primary);
    stroke-width: 1;
    stroke-dasharray: 4 4;
    opacity: 0.8;
}

.grid-toggle {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    gap: 4px;
    z-index: 10;
}

.grid-toggle .btn-icon {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.grid-toggle .btn-icon.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

/* ========================================
   Gradient Editor
   ======================================== */

.gradient-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.gradient-modal.hidden {
    display: none;
}

.gradient-editor {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 360px;
    max-height: 80vh;
    overflow-y: auto;
}

.gradient-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.gradient-header h4 {
    font-size: 14px;
    font-weight: 600;
}

.gradient-preview {
    padding: 20px;
}

.gradient-sample {
    width: 100%;
    height: 60px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.gradient-type {
    display: flex;
    gap: 8px;
    padding: 0 20px;
}

.type-btn {
    flex: 1;
    padding: 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 12px;
    transition: var(--transition-fast);
}

.type-btn:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.type-btn.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.gradient-angle {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
}

.gradient-angle label {
    color: var(--text-secondary);
    font-size: 12px;
}

.gradient-angle input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    background: var(--bg-tertiary);
    height: 4px;
    border-radius: 2px;
}

.gradient-angle input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
}

.gradient-stops {
    padding: 0 20px 16px;
}

#stops-track {
    position: relative;
    height: 24px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    cursor: crosshair;
}

.stop-marker {
    position: absolute;
    top: -4px;
    width: 12px;
    height: 32px;
    transform: translateX(-50%);
    border: 2px solid white;
    border-radius: 4px;
    cursor: grab;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.stop-marker:active {
    cursor: grabbing;
}

.stop-colors {
    padding: 0 20px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stop-color-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.stop-color-row input[type="color"] {
    width: 36px;
    height: 28px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    padding: 0;
}

.stop-color-row input[type="number"] {
    width: 60px;
    padding: 6px 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 12px;
}

.stop-color-row span {
    color: var(--text-muted);
    font-size: 12px;
}

.gradient-presets {
    padding: 0 20px 16px;
}

.gradient-presets h5 {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.preset-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.preset {
    height: 28px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition-fast);
}

.preset:hover {
    border-color: var(--accent-primary);
    transform: scale(1.05);
}

.gradient-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
}

/* ========================================
   Keyboard Shortcuts Modal
   ======================================== */

.shortcuts-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.shortcuts-modal.hidden {
    display: none;
}

.shortcuts-dialog {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 600px;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.shortcuts-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.shortcuts-header h3 {
    font-size: 16px;
}

.shortcuts-content {
    padding: 20px;
    overflow-y: auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.shortcuts-category h4 {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.shortcuts-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.shortcut-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 0;
}

.shortcut-key {
    font-family: monospace;
    font-size: 11px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 3px 8px;
    border-radius: 4px;
    color: var(--text-primary);
}

.shortcut-desc {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ========================================
   Welcome Screen
   ======================================== */

.welcome-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: welcomeFadeIn 0.4s ease;
}

.welcome-modal.hidden {
    display: none;
}

@keyframes welcomeFadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.welcome-dialog {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    animation: welcomeSlideIn 0.4s ease;
}

@keyframes welcomeSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.welcome-header {
    text-align: center;
    padding: 32px 32px 24px;
}

.welcome-logo {
    margin-bottom: 16px;
}

.welcome-header h2 {
    font-size: 22px;
    margin-bottom: 8px;
}

.welcome-subtitle {
    color: var(--text-secondary);
    font-size: 14px;
}

.welcome-steps {
    padding: 0 32px 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.step {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.step-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.step-content p {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.5;
}

.welcome-templates {
    padding: 0 32px 24px;
}

.welcome-templates h4 {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.template-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.template-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 12px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.template-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.template-preview {
    width: 100%;
    height: 48px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.blank-preview {
    background: var(--bg-secondary);
    border: 2px dashed var(--border-color);
}

.plus-icon {
    font-size: 24px;
    color: var(--text-muted);
}

.template-card span {
    font-size: 11px;
    color: var(--text-secondary);
}

.welcome-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 32px;
    border-top: 1px solid var(--border-color);
}

.welcome-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
}

.welcome-checkbox input {
    accent-color: var(--accent-primary);
}

.welcome-actions {
    display: flex;
    gap: 8px;
}

/* ========================================
   Quick Tour
   ======================================== */

.tour-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 9999;
}

.tour-highlight {
    position: absolute;
    border: 2px solid var(--accent-primary);
    border-radius: 8px;
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.6);
    transition: all 0.3s ease;
    pointer-events: none;
}

.tour-tooltip {
    position: absolute;
    width: 320px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    overflow: hidden;
    transition: all 0.3s ease;
}

.tour-content {
    padding: 20px;
}

.tour-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.tour-text {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.5;
}

.tour-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}

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

.tour-buttons {
    display: flex;
    gap: 8px;
}