/* ========================================
   MOOD COLORS PAGE STYLES
   넓은 컨테이너 + 1:2.5 비율 좌우 레이아웃
   ======================================== */

/* ===== Wide Container ===== */
.container--wide {
    max-width: 1400px;
}

/* ===== Two Column Layout ===== */
.mood-layout {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 32px;
    align-items: start;
}

/* ===== Sidebar (Keyword Selection) ===== */
.mood-sidebar {
    position: sticky;
    top: 100px;
}

.keyword-panel {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 24px;
    border: 1px solid rgba(45, 52, 54, 0.06);
    box-shadow: var(--shadow-soft);
}

.keyword-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(45, 52, 54, 0.08);
}

.panel-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.btn-clear {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.btn-clear:hover {
    background: var(--accent-primary);
    color: #fff;
}

/* ===== Selected Tags ===== */
.selected-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 10px;
    margin-bottom: 16px;
    min-height: 44px;
    align-items: center;
}

.selected-tags__empty {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.selected-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 10px;
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
    color: #fff;
    border-radius: 14px;
    font-size: 0.8rem;
    font-weight: 500;
    animation: tagPop 0.25s ease;
}

.selected-tag__remove {
    width: 14px;
    height: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.65rem;
    margin-left: 2px;
    transition: background 0.2s ease;
}

.selected-tag__remove:hover {
    background: rgba(255, 255, 255, 0.4);
}

@keyframes tagPop {
    0% { transform: scale(0); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* ===== Accordion ===== */
.keyword-accordion {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.accordion-item {
    background: var(--bg-secondary);
    border-radius: 10px;
    overflow: hidden;
    transition: box-shadow 0.2s ease;
}

.accordion-item.active {
    box-shadow: 0 2px 12px rgba(78, 205, 196, 0.12);
}

.accordion-header {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 12px 14px;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: background 0.2s ease;
}

.accordion-header:hover {
    background: rgba(45, 52, 54, 0.04);
}

.accordion-item.active .accordion-header {
    background: rgba(78, 205, 196, 0.1);
}

.accordion-header__icon {
    font-size: 1.1rem;
    margin-right: 8px;
}

.accordion-header__title {
    flex: 1;
    text-align: left;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.accordion-header__badge {
    font-size: 0.7rem;
    padding: 2px 8px;
    background: var(--accent-secondary);
    color: #fff;
    border-radius: 8px;
    margin-right: 6px;
    display: none;
    max-width: 70px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.accordion-item.has-selection .accordion-header__badge {
    display: inline-block;
}

.accordion-header__arrow {
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: transform 0.25s ease;
}

.accordion-item.active .accordion-header__arrow {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.accordion-item.active .accordion-content {
    max-height: 280px;
    overflow-y: auto;
}

/* 컬러 계열 카테고리는 더 많은 공간 필요 */
.accordion-item[data-category="colorFamily"].active .accordion-content {
    max-height: 320px;
}

/* 스크롤바 스타일링 */
.accordion-content::-webkit-scrollbar {
    width: 6px;
}

.accordion-content::-webkit-scrollbar-track {
    background: transparent;
}

.accordion-content::-webkit-scrollbar-thumb {
    background: rgba(78, 205, 196, 0.3);
    border-radius: 3px;
}

.accordion-content::-webkit-scrollbar-thumb:hover {
    background: rgba(78, 205, 196, 0.5);
}

/* 스크롤 가능 표시 - 하단 그라데이션 */
.accordion-item.active .accordion-content {
    position: relative;
}

.accordion-content__inner {
    padding: 8px 12px 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

/* ===== Keyword Chip ===== */
.keyword-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 10px;
    background: var(--bg-card);
    border: 1.5px solid transparent;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-primary);
}

.keyword-chip:hover {
    border-color: var(--accent-secondary);
    transform: translateY(-1px);
}

.keyword-chip.active {
    background: var(--accent-secondary);
    color: #fff;
    border-color: var(--accent-secondary);
}

.keyword-chip__icon {
    font-size: 0.95rem;
}

/* ===== Color Family - Color Dot Style ===== */
.accordion-content__inner--colors {
    gap: 8px;
    padding-bottom: 20px; /* 스크롤 페이드 영역 확보 */
}

.keyword-chip--color {
    padding: 6px 12px 6px 8px;
    gap: 6px;
}

.keyword-chip__dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    flex-shrink: 0;
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.3);
}

.keyword-chip--color.active .keyword-chip__dot {
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3), inset 0 1px 2px rgba(255, 255, 255, 0.3);
}

/* Selected Tag Color Dot */
.selected-tag__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    border: 1px solid rgba(255, 255, 255, 0.4);
}

/* 스크롤 가능 표시 - 하단 페이드 힌트 */
.accordion-item[data-category="colorFamily"] .accordion-content {
    position: relative;
}

.accordion-item[data-category="colorFamily"].active .accordion-content::after {
    content: '';
    position: sticky;
    bottom: 0;
    left: 0;
    right: 0;
    height: 30px;
    background: linear-gradient(to top, var(--bg-secondary) 0%, transparent 100%);
    pointer-events: none;
    display: block;
    margin-top: -30px;
    opacity: 1;
    transition: opacity 0.2s ease;
}

.accordion-item[data-category="colorFamily"].active .accordion-content.scrolled-bottom::after {
    opacity: 0;
}

/* ===== Result Section ===== */
.mood-result {
    min-width: 0;
}

.result-panel {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 32px;
    border: 1px solid rgba(45, 52, 54, 0.06);
    box-shadow: var(--shadow-soft);
    min-height: 500px;
}

/* Empty State */
.result-empty {
    text-align: center;
    padding: 80px 40px;
}

.result-empty__visual {
    margin-bottom: 24px;
}

.result-empty__icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 16px;
    opacity: 0.6;
}

.result-empty__dots {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.result-empty__dots span {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--bg-secondary);
    animation: dotPulse 1.5s ease-in-out infinite;
}

.result-empty__dots span:nth-child(1) { animation-delay: 0s; }
.result-empty__dots span:nth-child(2) { animation-delay: 0.1s; }
.result-empty__dots span:nth-child(3) { animation-delay: 0.2s; }
.result-empty__dots span:nth-child(4) { animation-delay: 0.3s; }
.result-empty__dots span:nth-child(5) { animation-delay: 0.4s; }

@keyframes dotPulse {
    0%, 100% { opacity: 0.3; transform: scale(0.95); }
    50% { opacity: 0.6; transform: scale(1); }
}

.result-empty__title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.result-empty__desc {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.result-empty__desc strong {
    color: var(--accent-primary);
}

/* Result Content */
.result-content {
    display: none;
}

.result-content.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

.result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 16px;
}

.result-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.result-title::before {
    content: '🎨';
}

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

.btn-action {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: var(--bg-secondary);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.btn-action:hover {
    background: var(--text-primary);
    color: #fff;
}

.btn-action--primary {
    background: var(--accent-secondary);
    color: #fff;
}

.btn-action--primary:hover {
    background: var(--accent-primary);
}

#btnRefresh:hover span {
    display: inline-block;
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-15deg); }
    50% { transform: rotate(15deg); }
    75% { transform: rotate(-10deg); }
}

/* ===== Palette Grid ===== */
.palette-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-bottom: 40px;
}

.palette-card {
    background: var(--bg-secondary);
    border-radius: 14px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: cardPop 0.4s ease forwards;
    opacity: 0;
}

.palette-card:nth-child(1) { animation-delay: 0.05s; }
.palette-card:nth-child(2) { animation-delay: 0.1s; }
.palette-card:nth-child(3) { animation-delay: 0.15s; }
.palette-card:nth-child(4) { animation-delay: 0.2s; }
.palette-card:nth-child(5) { animation-delay: 0.25s; }

.palette-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 28px rgba(45, 52, 54, 0.12);
}

.palette-card__color {
    aspect-ratio: 1;
    cursor: pointer;
    position: relative;
}

.palette-card__copied {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.palette-card.copied .palette-card__copied {
    opacity: 1;
}

.palette-card__info {
    padding: 14px;
    text-align: center;
}

.palette-card__hex {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

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

@keyframes cardPop {
    0% { transform: scale(0.9); opacity: 0; }
    60% { transform: scale(1.02); }
    100% { transform: scale(1); opacity: 1; }
}

/* ===== Examples ===== */
.examples-section {
    border-top: 1px solid rgba(45, 52, 54, 0.08);
    padding-top: 28px;
}

.examples-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 20px 0;
}

.examples-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.example-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.2s ease;
}

.example-card:hover {
    transform: translateY(-3px);
}

.example-card__preview {
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px;
}

.example-card__button {
    padding: 9px 20px;
    border: none;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
}

.example-card__text {
    font-size: 2.2rem;
    font-weight: 700;
}

.example-card__gradient {
    width: 100%;
    height: 100%;
    border-radius: 6px;
}

.example-card__info {
    padding: 12px;
    text-align: center;
}

.example-card__title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1px;
}

.example-card__desc {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* ===== CSS Modal ===== */
.css-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(45, 52, 54, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    padding: 20px;
}

.css-modal.active {
    opacity: 1;
    visibility: visible;
}

.css-modal__content {
    background: var(--bg-card);
    border-radius: 16px;
    width: 100%;
    max-width: 480px;
    transform: scale(0.9);
    transition: transform 0.3s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.css-modal.active .css-modal__content {
    transform: scale(1);
}

.css-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid rgba(45, 52, 54, 0.08);
}

.css-modal__title {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0;
}

.css-modal__close {
    width: 34px;
    height: 34px;
    border: none;
    background: var(--bg-secondary);
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1rem;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.css-modal__close:hover {
    background: var(--accent-primary);
    color: #fff;
}

.css-modal__body {
    padding: 24px;
}

.css-modal__code {
    background: var(--bg-secondary);
    border-radius: 10px;
    padding: 20px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.8;
    color: var(--text-primary);
    white-space: pre-wrap;
    margin: 0;
}

.css-modal__footer {
    padding: 16px 24px;
    border-top: 1px solid rgba(45, 52, 54, 0.08);
}

.css-modal__copy {
    width: 100%;
    padding: 14px;
    background: var(--accent-secondary);
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    transition: background 0.2s ease;
}

.css-modal__copy:hover {
    background: var(--accent-primary);
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== Responsive: Large ===== */
@media (max-width: 1200px) {
    .container--wide {
        max-width: 100%;
        padding-left: 24px;
        padding-right: 24px;
    }

    .mood-layout {
        grid-template-columns: 300px 1fr;
        gap: 24px;
    }
}

/* ===== Responsive: Tablet ===== */
@media (max-width: 900px) {
    .mood-layout {
        grid-template-columns: 1fr;
    }

    .mood-sidebar {
        position: static;
    }

    .keyword-panel {
        padding: 20px;
    }

    .keyword-accordion {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .accordion-item.active {
        grid-column: span 2;
    }

    .result-panel {
        min-height: auto;
    }

    .palette-grid {
        gap: 12px;
    }

    .examples-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== Responsive: Mobile ===== */
@media (max-width: 600px) {
    .container--wide {
        padding-left: 16px;
        padding-right: 16px;
    }

    .keyword-accordion {
        grid-template-columns: 1fr;
    }

    .accordion-item.active {
        grid-column: span 1;
    }

    .result-panel {
        padding: 24px 20px;
    }

    .result-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .result-actions {
        width: 100%;
    }

    .btn-action {
        flex: 1;
        justify-content: center;
        padding: 10px 12px;
    }

    .btn-action span:last-child {
        display: none;
    }

    .palette-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 8px;
    }

    .palette-card__info {
        padding: 10px 8px;
    }

    .palette-card__hex {
        font-size: 0.7rem;
    }

    .palette-card__name {
        display: none;
    }

    .examples-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .example-card__preview {
        height: 80px;
    }
}

@media (max-width: 400px) {
    .palette-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}