/* Ghi đè section padding để lưới màu chiếm trọn không gian */
#color-palettes-viewer .icatdev-section-body {
    padding: 0;
}

/* Lưới chính: Mặc định 4 ô card trên 1 hàng cho Desktop */
#palette-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 20px;
}

/* Card dải màu thu gọn */
.palette-card {
    background-color: var(--icatdev-color-surface);
    border: 1px solid var(--icatdev-color-border);
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.palette-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

/* Khối chứa 4 dải màu nằm ngang */
.palette-swatches {
    display: flex;
    height: 110px;
    width: 100%;
}

/* Mỗi thanh màu trong dải màu */
.swatch {
    flex: 1;
    height: 100%;
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 8px;
    transition: flex 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Hiệu ứng UX: Rê chuột vào ô màu nào thì ô đó giãn nhẹ ra */
.swatch:hover {
    flex: 1.4;
}

/* Mã HEX ẩn mặc định, hiển thị khi Hover vào ô màu */
.swatch-hex {
    font-family: 'Consolas', 'Menlo', monospace;
    font-size: 0.68rem;
    font-weight: 600;
    color: #ffffff;
    background-color: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(2px);
    padding: 3px 6px;
    border-radius: 4px;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    pointer-events: none; /* Tránh cản trở sự kiện click copy vào ô màu */
    text-transform: uppercase;
}

.swatch:hover .swatch-hex {
    opacity: 1;
    transform: translateY(0);
}

/* Tiêu đề palette nằm gọn dưới chân card */
.palette-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--icatdev-color-text);
    padding: 8px 12px;
    background-color: var(--icatdev-color-surface);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border-top: 1px solid var(--icatdev-color-border);
}

/* Responsive cho màn hình nhỏ */
@media (max-width: 820px) {
    #palette-container {
        grid-template-columns: 1fr 1fr;
    }
}

/* Responsive Grid */
@media (max-width: 1200px) {
    #palette-container {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    #palette-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    #palette-container {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   MODAL STYLES (FULL WIDTH + HEADER ACTIONS + COPY BUTTON)
   ========================================================================== */
.palette-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.palette-modal-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.palette-modal-panel {
    background-color: var(--icatdev-color-surface);
    width: 100%;
    max-width: 100%;
    border-top-left-radius: 16px;
    border-top-right-radius: 16px;
    border-top: 1px solid var(--icatdev-color-border);
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.5);
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    max-height: 90vh;
    overflow-y: auto;
}

.palette-modal-overlay.visible .palette-modal-panel {
    transform: translateY(0);
}

/* Header tích hợp Tiêu đề + Nút Tải + Nút Đóng */
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 30px;
    border-bottom: 1px solid var(--icatdev-color-border);
    gap: 20px;
}

.modal-header-info .modal-subtitle {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.6;
    display: block;
}

.modal-header h3 {
    margin: 2px 0 0 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-download-btn {
    padding: 8px 14px;
    background-color: var(--icatdev-color-bg);
    color: var(--icatdev-color-text);
    border: 1px solid var(--icatdev-color-border);
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.modal-download-btn:hover {
    background-color: var(--icatdev-color-border);
    color: #fff;
}

.modal-close-btn {
    background: none;
    border: none;
    font-size: 2rem;
    line-height: 1;
    color: var(--icatdev-color-text);
    cursor: pointer;
    opacity: 0.7;
    margin-left: 8px;
    transition: opacity 0.2s, transform 0.2s;
}

.modal-close-btn:hover {
    opacity: 1;
    transform: scale(1.1);
}

/* Modal Content */
.modal-content {
    padding: 24px 30px 30px 30px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.modal-swatches-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    height: 140px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.modal-color-swatch {
    height: 100%;
}

.modal-details-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.modal-color-info {
    background-color: var(--icatdev-color-bg);
    padding: 16px;
    border-radius: 8px;
    border: 1px solid var(--icatdev-color-border);
    font-family: 'Menlo', 'Consolas', monospace;
    font-size: 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

/* Hàng chứa HEX và Nút Copy */
.modal-hex-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.modal-hex-row strong {
    font-size: 1rem;
    color: #fff;
}

.modal-copy-btn {
    background-color: var(--icatdev-color-surface);
    color: var(--icatdev-color-text);
    border: 1px solid var(--icatdev-color-border);
    border-radius: 4px;
    padding: 2px 8px;
    font-size: 0.7rem;
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.modal-copy-btn:hover {
    background-color: var(--icatdev-color-border);
    color: #fff;
}

.modal-copy-btn.copied {
    background-color: #2e7d32;
    border-color: #2e7d32;
    color: #fff;
}

/* Các giá trị màu khác (RGB, HSB, CMYK) */
.modal-color-values {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--icatdev-color-border);
}

.modal-color-value {
    font-size: 0.75rem;
    opacity: 0.8;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .modal-details-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .modal-header {
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 20px;
        gap: 12px;
    }
    
    .modal-header-actions {
        width: 100%;
        justify-content: space-between;
    }
    
    .modal-download-btn {
        flex: 1;
        text-align: center;
    }
}

/* Nút tải thêm */
.load-more-container {
    text-align: center;
    margin-top: 30px;
}

.load-more-btn {
    padding: 10px 25px;
    font-size: 0.9rem;
    font-weight: 500;
    background-color: var(--icatdev-color-border);
    color: var(--icatdev-color-text);
    border: 1px solid var(--icatdev-color-border);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}
.load-more-btn:hover { background-color: #3a534e; }

/* Styling cho thanh lọc Thẻ TAG */
.tag-filter-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 15px 0 25px 0;
}

.tag-filter-btn {
    padding: 6px 16px;
    border-radius: 20px;
    border: 1px solid var(--icatdev-color-border);
    background-color: var(--icatdev-color-surface);
    color: var(--icatdev-color-text);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: capitalize;
    transition: all 0.2s ease;
}

.tag-filter-btn:hover {
    border-color: #00B7CD;
    color: #00B7CD;
}

.tag-filter-btn.active {
    background-color: #00B7CD;
    color: #ffffff;
    border-color: #00B7CD;
}

/* ==========================================================================
   STYLE RIÊNG CHO THẺ TAG "NEW"
   ========================================================================== */
.tag-filter-btn.tag-new {
    background: linear-gradient(135deg, #ff416c, #ff4b2b);
    color: #ffffff;
    font-weight: 700;
    border: none;
    letter-spacing: 0.5px;
    box-shadow: 0 3px 10px rgba(255, 65, 108, 0.35);
    position: relative;
    overflow: hidden;
}

.tag-filter-btn.tag-new:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 65, 108, 0.5);
    color: #ffffff;
}

/* Hiệu ứng viền viền trắng/sáng khi "NEW" được chọn active */
.tag-filter-btn.tag-new.active {
    background: linear-gradient(135deg, #ff416c, #ff4b2b);
    box-shadow: 0 0 0 2px var(--icatdev-color-bg, #1a1a1a), 0 0 0 4px #ff416c;
}

.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: #118AB2;
  color: #ffffff;
  border: none;
  font-size: 20px;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
  z-index: 1000;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}