/* 闪念页面样式 */
:root {
    --idea-card-bg-dark: #00222f;
    --idea-card-border-dark: #003b50;
    --idea-card-text-dark: #e0f0f8;
    --idea-card-time-dark: #a0d0e0;
    --idea-card-bg-light: #ffffff;
    --idea-card-border-light: #e0e0e0;
    --idea-card-text-light: #2c3e50;
    --idea-card-time-light: #6c7b8a;
    --idea-link-color: #8cc2dd;
    --idea-heading-color: #eee;
}

body.light-theme {
    --idea-card-bg: var(--idea-card-bg-light);
    --idea-card-border: var(--idea-card-border-light);
    --idea-card-text: var(--idea-card-text-light);
    --idea-card-time: var(--idea-card-time-light);
}

body {
    --idea-card-bg: var(--idea-card-bg-dark);
    --idea-card-border: var(--idea-card-border-dark);
    --idea-card-text: var(--idea-card-text-dark);
    --idea-card-time: var(--idea-card-time-dark);
}

.idea-container {
    max-width: 640px;
    margin: 0 auto;
    padding: 20px;
}

.idea-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.idea-card {
    list-style: none;
    padding: 0;
    margin: 0;
    width: 100%;
}

.idea-card-wrapper {
    position: relative;
    width: 100%;
}

.idea-card-container {
    background: var(--idea-card-bg);
    border: 1px solid var(--idea-card-border);
    padding: 16px;
    margin: 0;
    width: 100%;
    box-sizing: border-box;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: var(--idea-card-radius, 12px);
    user-select: text;
    position: relative;
    transform-origin: center;
    display: flex;
    flex-direction: column;
    -webkit-tap-highlight-color: transparent;
}

.idea-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    padding-bottom: 0;
    flex-shrink: 0;
}

.idea-meta {
    display: flex;
    gap: 10px;
    align-items: center;
}

.idea-timestamp {
    color: var(--idea-card-time);
    font-weight: 500;
    font-size: 0.8em;
    font-family: monospace;
}

.idea-time-display {
    color: var(--idea-card-time);
    font-size: 0.85em;
    font-family: monospace;
    white-space: nowrap;
}

.idea-word-count {
    color: var(--idea-card-time);
    font-size: 0.8em;
    font-family: monospace;
    white-space: nowrap;
}

.idea-card-content {
    margin-bottom: 10px;
    line-height: 1.6;
    color: var(--idea-card-text);
    font-size: 0.92em !important;
    text-align: justify !important;
    text-justify: inter-ideograph;
    width: 100% !important;
    box-sizing: border-box;
    word-break: break-word;
    flex: 1;
    position: relative;
}

.idea-card-container .idea-card-content p {
    margin-bottom: 1.6em !important;
    margin-top: 0 !important;
    line-height: 1.8 !important;
    text-align: justify !important;
    text-justify: inter-ideograph;
}

.idea-card-container .idea-card-content br {
    display: block;
    content: "";
    margin-bottom: 0.8em !important;
    line-height: 1.8;
}

.idea-card-container .idea-card-content p:last-child,
.idea-card-content p:last-child {
    margin-bottom: 0 !important;
}

.idea-card-content br + br {
    margin-top: 16px;
    display: block;
}

/* 启用文本折叠（无论是否有图） */
.idea-content-clamp {
    display: -webkit-box;
    -webkit-line-clamp: 6;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.idea-card-container.expanded .idea-content-clamp {
    -webkit-line-clamp: unset;
    display: block;
    overflow: visible;
}

.idea-expand-toggle {
    display: none;
    margin-top: 8px;
    cursor: pointer;
}

.idea-expand-text {
    color: #1da1f2;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
    text-decoration: none;
    font-size: 0.9em;
}

.idea-expand-text:hover {
    color: #0d8bd9;
    text-decoration: underline;
}

/* 内容中图片网格（由 PHP 输出 .image-gallery/.image-item） */
.idea-card-content .image-gallery {
    display: flex;
    gap: 10px;
    margin-bottom: 24px; /* 增加图片与文字间距 */
}

/* 单张图片与正文间距 */
.idea-content-clamp > img,
.idea-card-content > img {
    display: block;
    margin-bottom: 24px; /* 增加图片与文字间距 */
}

.idea-card-content .image-gallery.two-images {
    display: flex;
    gap: 10px;
}

.idea-card-content .image-item {
    flex: 1;
    overflow: hidden;
    border-radius: 4px;
}

.idea-card-content .image-item img {
    width: 100%;
    height: auto;
    display: block;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.idea-card-content .image-item img:hover {
    transform: scale(1.02);
}

.idea-lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.idea-lightbox-overlay.active {
    opacity: 1;
}

.idea-lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.idea-lightbox-image-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.idea-lightbox-image {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-radius: 4px;
}

.idea-lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s ease;
    z-index: 10001;
}

.idea-lightbox-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.idea-lightbox-counter {
    position: absolute;
    top: 20px;
    left: 20px;
    color: white;
    font-size: 14px;
    background: rgba(0, 0, 0, 0.5);
    padding: 5px 10px;
    border-radius: 4px;
    z-index: 10001;
}

.idea-lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    color: white;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s ease;
    z-index: 10001;
}

.idea-lightbox-nav:hover {
    background: rgba(0, 0, 0, 0.7);
}

.idea-lightbox-nav.prev {
    left: 20px;
}

.idea-lightbox-nav.next {
    right: 20px;
}

.idea-lightbox-indicator {
    position: absolute;
    bottom: 20px;
    display: flex;
    gap: 8px;
    z-index: 10001;
}

.idea-lightbox-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: background 0.2s ease;
}

.idea-lightbox-dot.active {
    background: white;
}

.idea-lightbox-dot:hover {
    background: rgba(255, 255, 255, 0.7);
}

.idea-empty {
    text-align: center;
    padding: 50px 20px;
    color: var(--idea-card-time);
}

.idea-empty p {
    margin: 0;
    font-size: 1.1em;
}

@media (max-width: 768px) {
    .idea-container {
        padding: 15px;
    }

    .idea-card-container {
        padding: 15px;
        margin: 15px 0;
    }

    .idea-card-header {
        margin-bottom: 12px;
    }

    .idea-card-content {
        font-size: 0.9em !important;
        line-height: 1.7;
        width: 100% !important;
    }

    .idea-card-content p {
        margin: 0 0 16px 0;
    }

    .idea-card-content br {
        line-height: 1.1;
    }

    .idea-card-content br::after {
        height: 16px;
        margin-top: 5px;
    }
}

@media (max-width: 480px) {
    .idea-container {
        padding: 12px;
    }

    .idea-card-container {
        padding: 12px;
        margin: 12px 0;
    }

    .idea-card-content {
        font-size: 0.85em !important;
        line-height: 1.6;
        width: 100% !important;
    }

    .idea-card-content p {
        margin: 0 0 14px 0;
    }

    .idea-card-content br {
        line-height: 1;
    }

    .idea-card-content br::after {
        height: 14px;
        margin-top: 4px;
    }

    .idea-card-content .image-gallery.two-images {
        flex-direction: column;
    }
}