/* Calendar Builder Styles */
.calendar-builder-app {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow-card);
}

.calendar-header {
    text-align: center;
    margin-bottom: 30px;
}

.calendar-header h1 {
    color: var(--color-primary);
    font-size: 2rem;
    margin-bottom: 10px;
}

.calendar-header p {
    color: #666;
    font-size: 1rem;
}

.calendar-main-content {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 20px;
    min-height: 600px;
}

@media (max-width: 1200px) {
    .calendar-main-content {
        grid-template-columns: 1fr;
    }
}

/* Sidebar Styles */
.calendar-sidebar {
    border-right: 2px solid var(--color-border);
    padding-right: 20px;
    max-height: 700px;
    overflow-y: auto;
}

.calendar-controls-card {
    background: #f9f9f9;
    border-radius: 8px;
    padding: 15px;
}

.calendar-controls-card h4,
.calendar-controls-card h5 {
    color: var(--color-primary);
    margin-bottom: 12px;
    font-size: 1rem;
}

.calendar-controls-card hr {
    margin: 20px 0;
    border: none;
    border-top: 1px solid var(--color-border);
}

/* ─── Unified Element Editor ─────────────────────────── */

.element-editor-section {
    margin-bottom: 20px;
}

/* Add-element button row */
.add-element-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

.add-element-btn {
    flex: 1 1 auto;
    min-width: 70px;
    padding: 6px 8px;
    font-size: 0.8rem;
    white-space: nowrap;
}

.add-photo-btn { background: var(--color-primary); }
.add-text-btn  { background: var(--color-success); }
.add-rect-btn  { background: #ff9800; }
.add-line-btn  { background: #795548; }
.add-clipart-btn { background: #9c27b0; }

/* Element list */
.elements-list {
    max-height: 220px;
    overflow-y: auto;
    margin-bottom: 12px;
}

.empty-elements {
    text-align: center;
    color: #999;
    padding: 15px;
    font-style: italic;
    font-size: 0.9rem;
}

.element-item {
    background: white;
    border: 2px solid var(--color-border);
    border-radius: 6px;
    padding: 6px 8px;
    margin-bottom: 6px;
    cursor: pointer;
    transition: border-color 0.2s, background-color 0.2s;
}

.element-item:hover {
    border-color: #b0b8f0;
}

.element-item.selected {
    border-color: var(--color-primary);
    background: #f5f7ff;
}

.element-item-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

.element-icon {
    width: 22px;
    text-align: center;
    font-size: 0.9rem;
}

.element-label {
    flex: 1;
    font-size: 0.85rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.element-actions {
    display: flex;
    gap: 2px;
}

.element-action-btn {
    padding: 2px 5px;
    font-size: 0.75rem;
    min-width: 22px;
    background: var(--color-border);
    color: #333;
    border-radius: 4px;
}

.element-action-btn:hover {
    background: var(--color-primary);
    color: white;
    transform: none;
}

.element-delete-btn {
    background: #ffcdd2;
    color: #c62828;
}

.element-delete-btn:hover {
    background: var(--color-error);
    color: white;
}

/* Element form (type-specific editor) */
.element-form {
    background: #f0f0f0;
    border-radius: 6px;
    padding: 12px;
    margin-top: 10px;
}

.element-form h5 {
    margin-bottom: 10px;
}

.control-group {
    margin-bottom: 8px;
}

.control-group label {
    display: block;
    margin-bottom: 3px;
    font-size: 0.85rem;
    font-weight: 500;
}

.control-group input,
.control-group select {
    width: 100%;
    padding: 5px 6px;
    font-size: 0.85rem;
}

.control-row {
    display: flex;
    gap: 8px;
}

.control-group.half {
    flex: 1;
}

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

.rotation-slider {
    flex: 1;
}

.rotation-value {
    font-size: 0.85rem;
    min-width: 35px;
    text-align: right;
}

/* Text formatting toolbar */
.text-format-row {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}

.format-btn {
    padding: 4px 8px;
    font-size: 0.8rem;
    min-width: 28px;
    background: var(--color-border);
    color: #333;
    border-radius: 4px;
    text-align: center;
}

.format-btn:hover {
    background: #b8b8f0;
    transform: none;
}

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

.format-italic {
    font-style: italic;
}

.format-separator {
    width: 1px;
    height: 20px;
    background: #ccc;
    margin: 0 2px;
}

.done-editing-btn {
    width: 100%;
    margin-top: 10px;
}

.info-hint {
    font-size: 0.8rem;
    color: #888;
    font-style: italic;
    margin-bottom: 8px;
}

/* Photo action buttons and zoom controls */
.photo-action-buttons {
    display: flex;
    gap: 6px;
    margin-bottom: 8px;
}

.photo-action-buttons button {
    flex: 1;
    padding: 6px 8px;
    font-size: 0.8rem;
}

.zoom-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

.zoom-slider {
    flex: 1;
}

.zoom-btn {
    width: 28px;
    height: 28px;
    padding: 0;
    font-size: 16px;
    font-weight: bold;
    background: var(--color-border);
    color: #333;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
}

.zoom-btn:hover {
    background: var(--color-primary);
    color: white;
    transform: none;
}

.zoom-value {
    font-size: 0.8rem;
    min-width: 38px;
    text-align: right;
}

/* ─── Background & Template Editor ───────────────────── */

.background-editor-section {
    margin-bottom: 10px;
}

.template-select {
    width: 100%;
    padding: 6px;
}

.bg-image-controls {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.bg-upload-btn {
    width: 100%;
    padding: 8px;
    font-size: 0.85rem;
    background: #2196f3;
}

.bg-upload-btn:hover {
    background: #1976d2;
}

.bg-reset-btn {
    width: 100%;
    padding: 6px;
    font-size: 0.8rem;
    background: var(--color-border);
    color: #333;
}

.bg-reset-btn:hover {
    background: #ccc;
    transform: none;
}

.predefined-textures {
    padding: 4px 0;
}

/* ─── Calendar Canvas ────────────────────────────────── */

.calendar-canvas-area {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    background: #f5f5f5;
    border-radius: 8px;
    padding: 20px;
}

.calendar-canvas-container {
    width: 100%;
    max-width: 600px;
}

.calendar-canvas {
    width: 100%;
    background: white;
    border: 2px solid var(--color-border);
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    overflow: hidden;
}

.calendar-page {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
}

.calendar-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

/* Template text (locked month/day labels) */
.calendar-text-field {
    position: absolute;
    z-index: 1;
    padding: 2px 4px;
    white-space: nowrap;
}

.calendar-text-field.locked {
    opacity: 0.7;
    pointer-events: none;
}

/* ─── Canvas Elements (shared) ───────────────────────── */

.calendar-element {
    position: absolute;
    border: 2px dashed transparent;
    transition: border-color 0.15s;
    cursor: move;
}

.calendar-element:hover {
    border-color: rgba(102, 126, 234, 0.5);
}

.calendar-element.selected {
    border-color: var(--color-primary);
    border-style: solid;
}

/* Photo element */
.calendar-photo img {
    pointer-events: none;
}

/* Text element with frame */
.calendar-text-element {
    min-width: 30px;
    min-height: 20px;
}

.text-element-content {
    padding: 2px 4px;
    pointer-events: none;
}

/* Shape element */
.calendar-shape-element {
    min-width: 10px;
    min-height: 4px;
}

/* Clipart element */
.calendar-clipart-element img {
    pointer-events: none;
}

/* ─── Resize Handles ─────────────────────────────────── */

.resize-handles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.resize-handle {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--color-primary);
    border: 2px solid white;
    border-radius: 2px;
    pointer-events: all;
    z-index: var(--z-handles);
}

.resize-handle-nw { top: -5px;    left: -5px;   cursor: nw-resize; }
.resize-handle-ne { top: -5px;    right: -5px;  cursor: ne-resize; }
.resize-handle-sw { bottom: -5px; left: -5px;   cursor: sw-resize; }
.resize-handle-se { bottom: -5px; right: -5px;  cursor: se-resize; }

.resize-handle-n {
    top: -5px; left: 50%; transform: translateX(-50%);
    cursor: n-resize;
}
.resize-handle-s {
    bottom: -5px; left: 50%; transform: translateX(-50%);
    cursor: s-resize;
}
.resize-handle-e {
    top: 50%; right: -5px; transform: translateY(-50%);
    cursor: e-resize;
}
.resize-handle-w {
    top: 50%; left: -5px; transform: translateY(-50%);
    cursor: w-resize;
}

/* ─── Rotation Buttons (left and right) ──────────────── */

.rotate-buttons-container {
    position: absolute;
    top: -35px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 4px;
    z-index: var(--z-rotate);
    pointer-events: all;
}

.rotate-btn {
    width: 28px;
    height: 28px;
    background: var(--color-primary);
    color: white;
    border: 2px solid white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 18px;
    font-weight: bold;
    z-index: var(--z-rotate);
    pointer-events: all;
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
    line-height: 1;
    padding: 0;
}

.rotate-btn:hover {
    background: var(--color-primary-dark);
    transform: scale(1.15);
}

/* ─── Sidebar Tabs ───────────────────────────────────── */

.sidebar-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 12px;
    border-bottom: 2px solid var(--color-border);
}

.sidebar-tab-btn {
    flex: 1;
    padding: 8px 12px;
    font-size: 0.85rem;
    background: #f0f0f0;
    color: #555;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: -2px;
    border-radius: 6px 6px 0 0;
}

.sidebar-tab-btn:hover {
    background: #e0e0f0;
    transform: none;
}

.sidebar-tab-btn.active {
    background: white;
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: 600;
}

/* ─── Calendar Sidebar UI-Kit Tabs ──────────────────── */

.calendar-sidebar .tabs {
    display: flex;
    flex-direction: column;
}

.calendar-sidebar .tabs-bar {
    display: flex;
    gap: 0;
    margin-bottom: 12px;
    border-bottom: 2px solid var(--color-border);
}

.calendar-sidebar .tab-button {
    flex: 1;
    padding: 8px 12px;
    font-size: 0.85rem;
    background: #f0f0f0;
    color: #555;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: -2px;
    border-radius: 6px 6px 0 0;
}

.calendar-sidebar .tab-button:hover {
    background: #e0e0f0;
    transform: none;
}

.calendar-sidebar .tab-button--active {
    background: white;
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: 600;
}

/* ─── Horizontal Page Navigation Strip ──────────────── */

.page-navigation-strip {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
    padding: 12px 15px;
    background: #f9f9f9;
    border-radius: 8px;
    border: 2px solid var(--color-border);
}

.nav-strip-btn {
    padding: 8px 14px;
    font-size: 1.1rem;
    min-width: 40px;
    flex-shrink: 0;
}

.nav-strip-btn:disabled {
    background: #cccccc !important;
    color: #666666 !important;
    opacity: 1;
}

.page-navigation-strip .page-indicator {
    flex-shrink: 0;
    min-width: 60px;
}

.page-thumbnails-strip {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    flex: 1;
    padding: 4px 0;
    scrollbar-width: thin;
}

.page-thumbnails-strip::-webkit-scrollbar {
    height: 6px;
}

.page-thumbnails-strip::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 3px;
}

.page-thumbnail-item {
    flex-shrink: 0;
    width: 56px;
    background: white;
    border: 2px solid var(--color-border);
    border-radius: 6px;
    padding: 6px 4px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.page-thumbnail-item:hover {
    border-color: var(--color-primary);
}

.page-thumbnail-item.active {
    border-color: var(--color-primary);
    background: #f5f7ff;
}

.page-thumbnail-item .thumbnail-number {
    font-size: 1rem;
    font-weight: bold;
    color: var(--color-primary);
}

.page-thumbnail-item .thumbnail-label {
    font-size: 0.65rem;
    color: #666;
    margin-top: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ─── Calendar Footer ────────────────────────────────── */

.calendar-footer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid var(--color-border);
    display: flex;
    gap: 15px;
    justify-content: center;
}

.reset-btn {
    background: var(--color-error);
}

.reset-btn:hover {
    background: #d32f2f;
}

.preview-btn {
    background: #2196f3;
}

.preview-btn:hover {
    background: #1976d2;
}