:root {
    --bg: #f5f7fa;
    --surface: #ffffff;
    --text: #222;
    --muted: #666;
    --line: #d7dde5;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);

    --today-bg: #fff8e1;
    --today-line: #f4b400;
    --today-text: #8a4b00;

    --accent: #ff9800;
    --accent-hover: #f57c00;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: sans-serif;
    background: var(--bg);
    color: var(--text);
}

.top-status {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
}

.top-status-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.status-badge {
    flex: 0 0 auto;
    font-size: 13px;
    font-weight: 700;
    color: var(--today-text);
    background: var(--today-bg);
    border: 1px solid var(--today-line);
    border-radius: 999px;
    padding: 6px 12px;
}

.status-text {
    font-size: 14px;
    color: var(--muted);
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.container {
    max-width: 1200px;
    margin: 24px auto 40px;
    padding: 0 20px 80px;
}

.date-section {
    margin-bottom: 56px;
    scroll-margin-top: 76px;
}

.date-section-inner {
    padding: 0;
    border-radius: 16px;
}

.date-section.is-today .date-section-inner {
    background: var(--today-bg);
    border: 2px solid var(--today-line);
    padding: 18px 18px 22px;
    box-shadow: 0 8px 20px rgba(244, 180, 0, 0.12);
}

.date-title {
    font-size: 22px;
    font-weight: 800;
    margin: 32px 0 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #333;
    color: var(--text);
}

.date-section.is-today .date-title {
    margin-top: 0;
    color: var(--today-text);
    border-bottom-color: var(--today-line);
}

.date-subtitle {
    margin: -8px 0 18px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.5;
}

.date-section.is-today .date-subtitle {
    color: #6d5a2d;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 30px;
    max-width: calc(180px * 4 + 30px * 3);
    margin: 0 auto;
}

.card {
    min-width: 0;
}

.image-wrapper {
    position: relative;
    height: 218px;
    display: flex;
    align-items: stretch;
    justify-content: center;
    background: white;
    border-radius: 10px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.date-section.is-today .image-wrapper {
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.14);
    border: 1px solid rgba(244, 180, 0, 0.35);
}

.image-link {
    display: flex;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: inherit;
}

.image-link:hover .book-image,
.image-link:focus-visible .book-image {
    transform: scale(1.03);
}

.image-link:focus-visible {
    outline: 3px solid #005fcc;
    outline-offset: -3px;
}

.book-image {
    max-height: 218px;
    max-width: 100%;
    height: auto;
    width: auto;
    transition: transform 0.18s ease;
}

.image-share-button {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 48px;
    height: 48px;
    border: none;
    background: transparent;
    padding: 0;
    cursor: pointer;
    z-index: 3;
    touch-action: manipulation;
}

.image-share-button::before {
    content: "";
    position: absolute;
    inset: 6px;
    background: #000;
    border-radius: 999px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    transition: transform 0.15s ease;
}

.image-share-button:hover::before,
.image-share-button:focus-visible::before {
    transform: scale(1.06);
}

.image-share-button:active::before {
    transform: scale(0.96);
}

.image-share-button img {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 22px;
    height: 22px;
    transform: translate(-50%, -50%);
    z-index: 1;
}

.card-header {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-top: 10px;
}

.card-text {
    min-width: 0;
    flex: 1 1 auto;
}

.inline-share-button {
    flex: 0 0 auto;
    width: 48px;
    height: 48px;
    border: none;
    background: #000;
    color: #fff;
    border-radius: 999px;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    touch-action: manipulation;
}

.inline-share-button img {
    width: 22px;
    height: 22px;
}

.inline-share-button:hover,
.inline-share-button:focus-visible {
    transform: scale(1.06);
}

.inline-share-button:active {
    transform: scale(0.96);
}

.image-share-button:focus-visible,
.inline-share-button:focus-visible,
.today-fab:focus-visible,
.title:focus-visible,
.author:focus-visible {
    outline: 3px solid #005fcc;
    outline-offset: 2px;
}

.title,
.author {
    display: block;
    text-decoration: none;
    color: inherit;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.5;
    min-width: 0;
    word-break: break-word;
}

.author {
    margin-top: 6px;
    font-size: 12px;
    color: #777;
}

.title:hover,
.author:hover,
.title:focus-visible,
.author:focus-visible {
    text-decoration: underline;
    color: #000;
}

.loader {
    min-height: 80px;
    text-align: center;
    padding: 20px 20px 40px;
    color: #777;
    font-size: 14px;
}

.today-fab {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 1100;
    width: 72px;
    height: 72px;
    border: none;
    border-radius: 999px;
    background: var(--accent);
    color: white;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    font-weight: 700;
    line-height: 1.1;
}

.today-fab:hover {
    background: var(--accent-hover);
}

.today-fab .icon {
    font-size: 20px;
}

.today-fab .label {
    font-size: 12px;
}

.today-empty-message {
    margin-top: 8px;
    padding: 20px 16px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.75);
    color: var(--today-text);
    font-size: 14px;
    line-height: 1.6;
    text-align: center;
    border: 1px dashed rgba(244, 180, 0, 0.65);
}

@media (max-width: 640px) {
    .container {
        margin-top: 18px;
        padding-left: 14px;
        padding-right: 14px;
    }

    .top-status-inner {
        padding-left: 14px;
        padding-right: 14px;
    }

    .date-title {
        font-size: 20px;
    }

    .grid {
        gap: 22px;
    }

    .today-fab {
        right: 14px;
        bottom: 14px;
        width: 68px;
        height: 68px;
    }

    .image-share-button {
        display: none;
    }

    .inline-share-button {
        display: inline-flex;
    }
}

@media (min-width: 641px) {
    .inline-share-button {
        display: none;
    }

    .image-share-button {
        display: block;
    }
}