/* ========== 书法工具页专用样式 ========== */
/* 版本: 1.0.0 | 栏目: 书法工具 | 作者: 芦笛 */

/* ===== 页面头部修正 ===== */
.page-header-tools-calligraphy {
    background: linear-gradient(135deg, #5B4A63, #7B6B83, #6B5B73, #4A3F50);
    background-size: 400% 400%;
    animation: gradient-shift 15s ease infinite;
}

/* ===== 文房四宝区 ===== */
.wenfang-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
    margin-bottom: var(--space-2xl);
    padding: var(--space-xl);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(30, 30, 36, 0.04);
    transition: var(--transition-normal);
}

.wenfang-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.wenfang-item.wenfang-reverse {
    direction: rtl;
}

.wenfang-item.wenfang-reverse > * {
    direction: ltr;
}

@media (max-width: 968px) {
    .wenfang-item,
    .wenfang-item.wenfang-reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }
    .wenfang-item.wenfang-reverse > * {
        direction: ltr;
    }
}

.wenfang-visual {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-pale);
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wenfang-canvas-wrap {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wenfang-canvas-wrap canvas {
    max-width: 100%;
    max-height: 100%;
    border-radius: var(--radius-sm);
}

.wenfang-content {
    padding: var(--space-sm) 0;
}

.wenfang-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.wenfang-icon {
    font-size: 2rem;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-calligraphy-primary), var(--color-calligraphy-dark));
    border-radius: var(--radius-md);
    color: white;
}

.wenfang-name {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-dark);
    letter-spacing: 4px;
    margin-bottom: 2px;
}

.wenfang-name-en {
    font-size: 0.75rem;
    color: var(--color-warm-gray);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.wenfang-desc {
    font-size: 0.95rem;
    color: var(--color-warm-gray);
    line-height: 2;
    margin-bottom: var(--space-md);
    font-weight: 300;
}

.wenfang-desc strong {
    color: var(--color-primary);
    font-weight: 600;
}

.wenfang-detail {
    background: var(--color-cream);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
}

.wenfang-detail h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--space-sm);
    letter-spacing: 1px;
}

.wenfang-detail ul {
    list-style: none;
    padding: 0;
}

.wenfang-detail li {
    font-size: 0.85rem;
    color: var(--color-warm-gray);
    line-height: 1.9;
    margin-bottom: var(--space-xs);
    padding-left: var(--space-sm);
    position: relative;
}

.wenfang-detail li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

.wenfang-detail li strong {
    color: var(--color-primary);
    font-weight: 600;
}

.wenfang-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

/* ===== 在线工具面板 ===== */
.tool-panel {
    background: var(--color-cream);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-xl);
    overflow: hidden;
    border: 1px solid rgba(30, 30, 36, 0.04);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.tool-panel:hover {
    box-shadow: var(--shadow-md);
}

.tool-panel-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-xl);
    background: white;
    border-bottom: 1px solid rgba(30, 30, 36, 0.04);
}

.tool-panel-icon {
    font-size: 2rem;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-calligraphy-light), var(--color-calligraphy-primary));
    border-radius: var(--radius-md);
    color: white;
    flex-shrink: 0;
}

.tool-panel-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-dark);
    letter-spacing: 2px;
    margin-bottom: 4px;
}

.tool-panel-desc {
    font-size: 0.85rem;
    color: var(--color-warm-gray);
    font-weight: 300;
}

.tool-panel-body {
    padding: var(--space-xl);
}

/* 米字格生成器 */
.mizige-controls {
    margin-bottom: var(--space-lg);
}

.control-group {
    margin-bottom: var(--space-md);
}

.control-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--space-xs);
    letter-spacing: 0.5px;
}

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

.control-btn {
    padding: 0.5rem 1rem;
    border: 1.5px solid rgba(44, 62, 80, 0.15);
    background: white;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-warm-gray);
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: var(--font-body);
}

.control-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

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

.control-row {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.control-input {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--color-warm-gray);
}

.control-input input[type="range"] {
    width: 120px;
}

.control-actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
    flex-wrap: wrap;
}

.mizige-preview {
    display: flex;
    justify-content: center;
    padding: var(--space-md);
    background: white;
    border-radius: var(--radius-md);
    overflow: auto;
}

.mizige-preview canvas {
    max-width: 100%;
    border: 1px solid rgba(30, 30, 36, 0.06);
    border-radius: var(--radius-sm);
}

.control-group-inline {
    display: flex;
    align-items: center;
    gap: 8px;
}

.control-group-inline label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-dark);
}

/* 墨色模拟 */
.mose-controls {
    margin-bottom: var(--space-lg);
}

.mose-slider {
    width: 100%;
    margin: var(--space-xs) 0;
    accent-color: var(--color-primary);
}

.mose-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--color-warm-gray);
    margin-top: 2px;
}

.mose-presets {
    display: flex;
    gap: 8px;
    margin-top: var(--space-md);
    flex-wrap: wrap;
}

.mose-preset {
    padding: 0.4rem 1rem;
    border: 1.5px solid rgba(44, 62, 80, 0.15);
    background: white;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-warm-gray);
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: var(--font-body);
}

.mose-preset:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.mose-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.mose-preview canvas {
    max-width: 100%;
    border-radius: var(--radius-md);
    border: 1px solid rgba(30, 30, 36, 0.06);
}

.mose-info {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-warm-gray);
    font-style: italic;
}

/* ===== 碑帖推荐区 ===== */
.beite-tabs {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.beite-tab {
    padding: 0.6rem 1.5rem;
    border: 1.5px solid rgba(44, 62, 80, 0.15);
    background: white;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-warm-gray);
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: var(--font-body);
    letter-spacing: 1px;
}

.beite-tab:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.beite-tab.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.beite-content {
    position: relative;
}

.beite-panel {
    display: none;
}

.beite-panel.active {
    display: block;
    animation: fadeInUp 0.5s ease;
}

.beite-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

@media (max-width: 768px) {
    .beite-grid {
        grid-template-columns: 1fr;
    }
}

.beite-card {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-md);
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(30, 30, 36, 0.04);
    transition: var(--transition-normal);
}

.beite-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

@media (max-width: 640px) {
    .beite-card {
        grid-template-columns: 1fr;
    }
}

.beite-card-visual {
    background: var(--color-pale);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 160px;
}

.beite-card-visual canvas {
    max-width: 100%;
    max-height: 100%;
}

.beite-card-info {
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.beite-card-info h4 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 4px;
    letter-spacing: 1px;
}

.beite-author {
    font-size: 0.8rem;
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: var(--space-xs);
}

.beite-desc {
    font-size: 0.82rem;
    color: var(--color-warm-gray);
    line-height: 1.7;
    margin-bottom: var(--space-sm);
    font-weight: 300;
}

.beite-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.beite-tags span {
    padding: 2px 10px;
    background: rgba(123, 107, 131, 0.08);
    color: var(--color-calligraphy-primary);
    font-size: 0.7rem;
    border-radius: var(--radius-full);
    font-weight: 500;
}

/* ===== 练习打卡 ===== */
.checkin-wrapper {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-xl);
    max-width: 900px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .checkin-wrapper {
        grid-template-columns: 1fr;
    }
}

.checkin-calendar {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(30, 30, 36, 0.04);
}

.checkin-month {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-dark);
}

.checkin-month button {
    background: none;
    border: none;
    font-size: 1rem;
    color: var(--color-warm-gray);
    cursor: pointer;
    padding: 4px 8px;
    transition: var(--transition-fast);
}

.checkin-month button:hover {
    color: var(--color-primary);
}

.checkin-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin-bottom: 8px;
}

.checkin-weekdays span {
    text-align: center;
    font-size: 0.75rem;
    color: var(--color-warm-gray);
    font-weight: 500;
}

.checkin-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.checkin-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--color-dark);
    cursor: pointer;
    transition: var(--transition-fast);
    background: var(--color-cream);
}

.checkin-day:hover {
    background: rgba(196, 167, 125, 0.2);
}

.checkin-day.checked {
    background: var(--color-primary);
    color: white;
}

.checkin-day.today {
    border: 2px solid var(--color-accent);
}

.checkin-day.other-month {
    color: rgba(107, 101, 96, 0.3);
}

.checkin-stats {
    display: flex;
    justify-content: space-around;
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid rgba(30, 30, 36, 0.06);
}

.checkin-stat {
    text-align: center;
}

.checkin-stat-num {
    display: block;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.checkin-stat-label {
    font-size: 0.75rem;
    color: var(--color-warm-gray);
}

.checkin-form {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(30, 30, 36, 0.04);
}

.checkin-form h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--space-md);
    letter-spacing: 1px;
}

.checkin-field {
    margin-bottom: var(--space-md);
}

.checkin-field label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 6px;
}

.checkin-field select,
.checkin-field textarea {
    width: 100%;
    padding: 0.7rem 1rem;
    border: 1.5px solid rgba(44, 62, 80, 0.15);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-family: var(--font-body);
    color: var(--color-dark);
    outline: none;
    transition: var(--transition-fast);
    background: white;
}

.checkin-field select:focus,
.checkin-field textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(196, 167, 125, 0.15);
}

.checkin-field input[type="range"] {
    width: 100%;
    accent-color: var(--color-primary);
}

.checkin-field span {
    font-size: 0.8rem;
    color: var(--color-warm-gray);
    margin-top: 4px;
    display: block;
}

/* ===== 响应式补充 ===== */
@media (max-width: 768px) {
    .tool-panel-header {
        flex-direction: column;
        text-align: center;
        gap: var(--space-sm);
    }

    .control-row {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .control-input input[type="range"] {
        width: 100%;
    }

            .control-actions {
        flex-direction: column;
    }

    .control-actions .btn {
        width: 100%;
    }
}


/* ===== 资源下载区 ===== */
.resource-category {
    margin-bottom: var(--space-2xl);
}

.resource-cat-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid rgba(44, 62, 80, 0.06);
}

.resource-cat-icon {
    font-size: 1.5rem;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-calligraphy-light), var(--color-calligraphy-primary));
    border-radius: var(--radius-md);
    color: white;
}

.resource-cat-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-dark);
    letter-spacing: 2px;
    flex: 1;
}

.resource-cat-count {
    font-size: 0.8rem;
    color: var(--color-warm-gray);
    background: rgba(44, 62, 80, 0.06);
    padding: 4px 12px;
    border-radius: var(--radius-full);
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

@media (max-width: 1024px) {
    .resource-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .resource-grid {
        grid-template-columns: 1fr;
    }
}

.resource-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(30, 30, 36, 0.04);
    transition: var(--transition-normal);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.resource-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.resource-card-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.resource-card-icon {
    font-size: 1.8rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-cream);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.resource-card-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-dark);
    line-height: 1.4;
    margin-bottom: 2px;
}

.resource-card-meta {
    font-size: 0.75rem;
    color: var(--color-warm-gray);
}

.resource-card-desc {
    font-size: 0.82rem;
    color: var(--color-warm-gray);
    line-height: 1.6;
    font-weight: 300;
    flex: 1;
}

.resource-card-tags {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.resource-card-tags span {
    padding: 2px 8px;
    background: rgba(123, 107, 131, 0.08);
    color: var(--color-calligraphy-primary);
    font-size: 0.7rem;
    border-radius: var(--radius-full);
    font-weight: 500;
}

/* 分页 */
.resource-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.resource-page-btn {
    padding: 0.5rem 1rem;
    border: 1.5px solid rgba(44, 62, 80, 0.15);
    background: white;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-warm-gray);
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: var(--font-body);
}

.resource-page-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

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

.resource-page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.resource-page-info {
    font-size: 0.8rem;
    color: var(--color-warm-gray);
}

/* ===== 下载浮窗 ===== */
.resource-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.resource-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(30, 30, 36, 0.6);
    backdrop-filter: blur(4px);
    cursor: pointer;
}

.resource-modal-content {
    position: relative;
    z-index: 1;
    background: white;
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.resource-modal.active .resource-modal-content {
    transform: translateY(0);
}

.resource-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(30, 30, 36, 0.06);
    border-radius: 50%;
    font-size: 1.5rem;
    line-height: 1;
    color: var(--color-warm-gray);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    z-index: 2;
}

.resource-modal-close:hover {
    background: rgba(30, 30, 36, 0.12);
    color: var(--color-dark);
}

.resource-modal-header {
    background: linear-gradient(135deg, var(--color-calligraphy-primary), var(--color-calligraphy-dark));
    padding: var(--space-lg) var(--space-xl);
    color: white;
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.resource-modal-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.resource-modal-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 4px;
    letter-spacing: 1px;
}

.resource-modal-subtitle {
    font-size: 0.85rem;
    opacity: 0.75;
    font-weight: 300;
    line-height: 1.5;
}

.resource-modal-body {
    padding: var(--space-lg) var(--space-xl);
}

.resource-modal-info {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.resource-modal-info-item {
    flex: 1;
    background: var(--color-cream);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    text-align: center;
}

.resource-modal-info-label {
    display: block;
    font-size: 0.7rem;
    color: var(--color-warm-gray);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.resource-modal-info-value {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-dark);
}

.resource-modal-link-box,
.resource-modal-code-box {
    background: var(--color-cream);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
    position: relative;
}

.resource-modal-link-label,
.resource-modal-code-label {
    font-size: 0.8rem;
    color: var(--color-warm-gray);
    margin-bottom: 8px;
}

.resource-modal-link,
.resource-modal-code {
    font-size: 0.9rem;
    color: var(--color-dark);
    word-break: break-all;
    margin-bottom: var(--space-sm);
    line-height: 1.6;
}

.resource-modal-code {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 2px;
}

.resource-modal-copy {
    padding: 0.5rem 1.2rem;
    border: 1.5px solid var(--color-primary);
    background: white;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-primary);
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: var(--font-body);
}

.resource-modal-copy:hover {
    background: var(--color-primary);
    color: white;
}

.resource-modal-copy.copied {
    background: #5B7B7A;
    border-color: #5B7B7A;
    color: white;
}

@media (max-width: 768px) {
    .resource-modal-content {
        width: 95%;
        margin: var(--space-md);
    }

    .resource-modal-header {
        padding: var(--space-md);
    }

    .resource-modal-body {
        padding: var(--space-md);
    }

    .resource-modal-info {
        flex-direction: column;
        gap: var(--space-sm);
    }
}