/* ============================================
   POST DESIGNER — KHRUA THAI LONDON
   เครื่องมือสร้างรูปโพสต์ Facebook/Instagram
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Prompt:wght@300;400;500;600;700&family=Playfair+Display:wght@400;700&display=swap');

:root {
    --gold: #D4AF37;
    --gold-light: #F5E6B8;
    --gold-dark: #B8962E;
    --dark-green: #1B3022;
    --black-green: #0D1F14;
    --darker: #091510;
    --cream: #F9F7F2;
    --panel-bg: rgba(13, 31, 20, 0.95);
    --panel-border: rgba(212, 175, 55, 0.15);
    --panel-hover: rgba(212, 175, 55, 0.08);
    --text-primary: #f0ede6;
    --text-secondary: rgba(255, 255, 255, 0.6);
    --danger: #e74c3c;
    --success: #2ecc71;
    --info: #3498db;
    --sidebar-width: 300px;
    --gallery-width: 260px;
    --header-height: 56px;
}

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

body.post-designer-body {
    font-family: 'Prompt', sans-serif;
    background: var(--darker);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
}

/* ── Header Bar ── */
.pd-header {
    height: var(--header-height);
    background: var(--black-green);
    border-bottom: 1px solid var(--panel-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 100;
    position: relative;
}

.pd-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pd-header-logo {
    height: 32px;
    filter: drop-shadow(0 0 6px rgba(212, 175, 55, 0.3));
}

.pd-header-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--gold);
    letter-spacing: 1px;
}

.pd-header-subtitle {
    font-size: 0.65rem;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

.pd-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pd-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 8px;
    font-family: 'Prompt', sans-serif;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.pd-btn:active { transform: scale(0.96); }

.pd-btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid rgba(255,255,255,0.1);
}
.pd-btn-ghost:hover { 
    color: var(--text-primary); 
    border-color: rgba(255,255,255,0.25);
    background: rgba(255,255,255,0.05);
}

.pd-btn-outline {
    background: transparent;
    color: var(--gold);
    border: 1px solid var(--gold);
}
.pd-btn-outline:hover { 
    background: rgba(212, 175, 55, 0.1); 
}

.pd-btn-primary {
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    color: var(--black-green);
    font-weight: 600;
    box-shadow: 0 2px 12px rgba(212, 175, 55, 0.3);
}
.pd-btn-primary:hover {
    box-shadow: 0 4px 20px rgba(212, 175, 55, 0.5);
    transform: translateY(-1px);
}

.pd-btn-danger {
    background: rgba(231, 76, 60, 0.15);
    color: var(--danger);
    border: 1px solid rgba(231, 76, 60, 0.3);
}
.pd-btn-danger:hover { background: rgba(231, 76, 60, 0.25); }

.pd-btn-sm {
    padding: 5px 10px;
    font-size: 0.75rem;
}

.pd-btn-icon {
    width: 34px;
    height: 34px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid rgba(255,255,255,0.08);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.85rem;
}
.pd-btn-icon:hover { 
    color: var(--gold); 
    border-color: var(--gold);
    background: rgba(212, 175, 55, 0.08);
}
.pd-btn-icon.active {
    color: var(--gold);
    border-color: var(--gold);
    background: rgba(212, 175, 55, 0.12);
}

/* ── Main Layout (3-column) ── */
.pd-main {
    display: flex;
    height: calc(100vh - var(--header-height));
}

/* ── Left Sidebar ── */
.pd-sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    background: var(--panel-bg);
    border-right: 1px solid var(--panel-border);
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: var(--gold-dark) transparent;
}

.pd-sidebar::-webkit-scrollbar { width: 4px; }
.pd-sidebar::-webkit-scrollbar-track { background: transparent; }
.pd-sidebar::-webkit-scrollbar-thumb { background: var(--gold-dark); border-radius: 4px; }

.pd-panel {
    padding: 16px;
    border-bottom: 1px solid var(--panel-border);
}

.pd-panel-title {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--gold);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.pd-panel-title i {
    font-size: 0.75rem;
    opacity: 0.7;
}

/* ── Canvas Size Selector ── */
.pd-size-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 6px;
}

.pd-size-btn {
    padding: 10px 6px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.68rem;
    font-family: 'Prompt', sans-serif;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    line-height: 1.3;
}

.pd-size-btn:hover {
    border-color: rgba(212, 175, 55, 0.4);
    color: var(--text-primary);
    background: rgba(212, 175, 55, 0.06);
}

.pd-size-btn.active {
    border-color: var(--gold);
    color: var(--gold);
    background: rgba(212, 175, 55, 0.1);
    box-shadow: 0 0 12px rgba(212, 175, 55, 0.15);
}

.pd-size-btn .size-icon {
    font-size: 1.2rem;
    display: block;
    margin-bottom: 4px;
}

.pd-size-btn .size-label {
    font-weight: 600;
    display: block;
}

.pd-size-btn .size-dims {
    font-size: 0.6rem;
    opacity: 0.6;
    display: block;
    margin-top: 2px;
}

/* ── Template Cards ── */
.pd-template-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.pd-template-card {
    position: relative;
    padding: 14px 10px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.25s;
    text-align: center;
    overflow: hidden;
}

.pd-template-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gold), transparent);
    opacity: 0;
    transition: opacity 0.25s;
}

.pd-template-card:hover {
    border-color: rgba(212, 175, 55, 0.4);
    background: rgba(212, 175, 55, 0.06);
    transform: translateY(-2px);
}

.pd-template-card:hover::before { opacity: 1; }

.pd-template-card.active {
    border-color: var(--gold);
    background: rgba(212, 175, 55, 0.1);
}
.pd-template-card.active::before { opacity: 1; }

.pd-template-icon {
    font-size: 1.5rem;
    margin-bottom: 6px;
    display: block;
}

.pd-template-name {
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-primary);
    display: block;
}

.pd-template-desc {
    font-size: 0.6rem;
    color: var(--text-secondary);
    margin-top: 2px;
    display: block;
}

/* ── Tools Section ── */
.pd-tools-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}

.pd-tool-btn {
    padding: 10px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.72rem;
    font-family: 'Prompt', sans-serif;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.pd-tool-btn i { font-size: 0.9rem; width: 16px; text-align: center; }

.pd-tool-btn:hover {
    border-color: rgba(212, 175, 55, 0.4);
    color: var(--gold);
    background: rgba(212, 175, 55, 0.06);
}

/* ── Properties Panel ── */
.pd-prop-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    gap: 8px;
}

.pd-prop-label {
    font-size: 0.72rem;
    color: var(--text-secondary);
    white-space: nowrap;
    min-width: 60px;
}

.pd-input {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 6px;
    padding: 7px 10px;
    color: var(--text-primary);
    font-family: 'Prompt', sans-serif;
    font-size: 0.78rem;
    width: 100%;
    transition: border-color 0.2s;
}
.pd-input:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.15);
}

.pd-select {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 6px;
    padding: 7px 10px;
    color: var(--text-primary);
    font-family: 'Prompt', sans-serif;
    font-size: 0.78rem;
    width: 100%;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23D4AF37' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 28px;
}
.pd-select:focus { outline: none; border-color: var(--gold); }
.pd-select option { background: var(--dark-green); color: var(--text-primary); }

.pd-color-input {
    width: 36px;
    height: 32px;
    border: 2px solid rgba(255,255,255,0.15);
    border-radius: 6px;
    cursor: pointer;
    background: transparent;
    padding: 2px;
}
.pd-color-input::-webkit-color-swatch-wrapper { padding: 0; }
.pd-color-input::-webkit-color-swatch { border: none; border-radius: 3px; }

.pd-range {
    width: 100%;
    height: 4px;
    appearance: none;
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
    outline: none;
}
.pd-range::-webkit-slider-thumb {
    appearance: none;
    width: 14px;
    height: 14px;
    background: var(--gold);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 6px rgba(212, 175, 55, 0.4);
}

/* ── Center Canvas Area ── */
.pd-canvas-area {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--darker);
    position: relative;
    overflow: hidden;
    /* Subtle grid pattern */
    background-image: 
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 20px 20px;
}

.pd-canvas-wrapper {
    position: relative;
    box-shadow: 
        0 8px 40px rgba(0,0,0,0.5),
        0 0 0 1px rgba(255,255,255,0.05);
    border-radius: 4px;
    overflow: hidden;
}

/* Fabric.js canvas overrides */
.pd-canvas-wrapper .canvas-container {
    border-radius: 4px;
}

/* Canvas zoom info */
.pd-canvas-info {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(13, 31, 20, 0.85);
    backdrop-filter: blur(8px);
    border: 1px solid var(--panel-border);
    border-radius: 20px;
    padding: 6px 16px;
    font-size: 0.7rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.pd-canvas-info span { 
    display: flex; 
    align-items: center; 
    gap: 4px; 
}

.pd-zoom-controls {
    display: flex;
    align-items: center;
    gap: 4px;
}

.pd-zoom-btn {
    width: 22px;
    height: 22px;
    border: none;
    border-radius: 4px;
    background: rgba(255,255,255,0.08);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}
.pd-zoom-btn:hover {
    background: rgba(212, 175, 55, 0.15);
    color: var(--gold);
}

/* ── Right Image Gallery Panel ── */
.pd-gallery {
    width: var(--gallery-width);
    min-width: var(--gallery-width);
    background: var(--panel-bg);
    border-left: 1px solid var(--panel-border);
    display: flex;
    flex-direction: column;
}

.pd-gallery-header {
    padding: 14px 14px 10px;
    border-bottom: 1px solid var(--panel-border);
}

.pd-gallery-search {
    width: 100%;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    padding: 8px 12px 8px 32px;
    color: var(--text-primary);
    font-family: 'Prompt', sans-serif;
    font-size: 0.78rem;
    transition: border-color 0.2s;
    margin-top: 8px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='%23888' viewBox='0 0 16 16'%3E%3Cpath d='M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001c.03.04.062.078.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1.007 1.007 0 0 0-.115-.1zM12 6.5a5.5 5.5 0 1 1-11 0 5.5 5.5 0 0 1 11 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 10px center;
}
.pd-gallery-search:focus { outline: none; border-color: var(--gold); }
.pd-gallery-search::placeholder { color: rgba(255,255,255,0.3); }

.pd-gallery-grid {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    align-content: start;
    scrollbar-width: thin;
    scrollbar-color: var(--gold-dark) transparent;
}

.pd-gallery-grid::-webkit-scrollbar { width: 4px; }
.pd-gallery-grid::-webkit-scrollbar-track { background: transparent; }
.pd-gallery-grid::-webkit-scrollbar-thumb { background: var(--gold-dark); border-radius: 4px; }

.pd-gallery-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.25s;
}

.pd-gallery-item:hover {
    border-color: var(--gold);
    transform: scale(1.03);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2);
}

.pd-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.pd-gallery-item:hover img { transform: scale(1.08); }

.pd-gallery-item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 4px 6px;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    font-size: 0.55rem;
    color: rgba(255,255,255,0.8);
    opacity: 0;
    transition: opacity 0.2s;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pd-gallery-item:hover .pd-gallery-item-overlay { opacity: 1; }

/* Upload button in gallery */
.pd-gallery-upload {
    grid-column: 1 / -1;
    padding: 14px;
    border: 2px dashed rgba(255,255,255,0.1);
    border-radius: 8px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.72rem;
    cursor: pointer;
    transition: all 0.2s;
}

.pd-gallery-upload:hover {
    border-color: var(--gold);
    color: var(--gold);
    background: rgba(212, 175, 55, 0.05);
}

.pd-gallery-upload i { font-size: 1.2rem; display: block; margin-bottom: 4px; }

/* ── Properties Sidebar (shown when object selected) ── */
#pd-properties {
    display: none;
}

#pd-properties.visible {
    display: block;
}

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

.pd-color-row .pd-input {
    flex: 1;
}

/* Font style buttons */
.pd-font-styles {
    display: flex;
    gap: 4px;
}

.pd-font-style-btn {
    width: 30px;
    height: 30px;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 6px;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}
.pd-font-style-btn:hover { border-color: var(--gold); color: var(--gold); }
.pd-font-style-btn.active { 
    background: rgba(212, 175, 55, 0.12);
    border-color: var(--gold);
    color: var(--gold);
}

/* ── Back to Admin Link ── */
.pd-back-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.78rem;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s;
}
.pd-back-link:hover { color: var(--gold); }

/* ── Loading Spinner ── */
.pd-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(212, 175, 55, 0.3);
    border-top-color: var(--gold);
    border-radius: 50%;
    animation: pd-spin 0.6s linear infinite;
}
@keyframes pd-spin { to { transform: rotate(360deg); } }

/* ── Notification Toast ── */
.pd-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 12px 20px;
    background: var(--dark-green);
    border: 1px solid var(--gold);
    border-radius: 10px;
    color: var(--gold-light);
    font-size: 0.82rem;
    box-shadow: 0 8px 30px rgba(0,0,0,0.4);
    z-index: 9999;
    animation: pd-toast-in 0.35s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.pd-toast.hiding {
    animation: pd-toast-out 0.3s ease forwards;
}

@keyframes pd-toast-in { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pd-toast-out { to { opacity: 0; transform: translateY(20px); } }

/* ── Separator ── */
.pd-separator {
    height: 1px;
    background: var(--panel-border);
    margin: 4px 0;
}

/* ── Responsive ── */
@media (max-width: 1100px) {
    .pd-gallery { width: 200px; min-width: 200px; }
    .pd-gallery-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
    .pd-sidebar { width: 240px; min-width: 240px; }
    .pd-size-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 700px) {
    .pd-main { flex-direction: column; }
    .pd-sidebar { width: 100%; min-width: 100%; height: auto; max-height: 200px; }
    .pd-gallery { width: 100%; min-width: 100%; height: 150px; }
    .pd-gallery-grid { grid-template-columns: repeat(4, 1fr); }
}

/* -- Eraser Settings -- */
#pd-eraser-settings {
    display: none;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px dashed rgba(255,255,255,0.1);
}
#pd-eraser-settings.visible { display: block; }

/* -- Layer Panel -- */
.pd-layer-list {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-height: 250px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--gold-dark) transparent;
}
.pd-layer-list::-webkit-scrollbar { width: 4px; }
.pd-layer-list::-webkit-scrollbar-thumb { background: var(--gold-dark); border-radius: 4px; }

.pd-layer-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 10px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.72rem;
    transition: all 0.2s;
}
.pd-layer-item:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(212, 175, 55, 0.3);
}
.pd-layer-item.active {
    background: rgba(212, 175, 55, 0.15);
    border-color: var(--gold);
    color: var(--gold);
}
.pd-layer-info {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    overflow: hidden;
}
.pd-layer-icon {
    width: 20px;
    text-align: center;
    opacity: 0.8;
}
.pd-layer-name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.pd-layer-actions {
    display: flex;
    gap: 4px;
}
.pd-layer-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 2px;
    border-radius: 3px;
}
.pd-layer-btn:hover {
    color: var(--gold);
    background: rgba(255,255,255,0.1);
}

/* Crop UI Styles */
.pd-crop-ui {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-dark);
    padding: 10px 20px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 5px 20px rgba(0,0,0,0.5);
    display: none;
    gap: 10px;
    z-index: 1000;
}
.pd-crop-ui.active {
    display: flex;
}
.pd-crop-btn {
    padding: 8px 15px;
    border-radius: 5px;
    font-family: inherit;
    font-weight: bold;
    cursor: pointer;
    border: none;
    transition: 0.2s;
}
.pd-crop-btn.confirm {
    background: var(--gold);
    color: var(--dark-green);
}
.pd-crop-btn.confirm:hover {
    background: #e5c455;
}
.pd-crop-btn.cancel {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.3);
    color: white;
}
.pd-crop-btn.cancel:hover {
    background: rgba(255,255,255,0.1);
}