/*
Theme Name: otonatime
Description: Yahoo!JAPAN-style UI for otonatime project.
Version: 1.0
Author: Manus AI
*/

/* ==================================================
  Base Styles
================================================== */

:root {
    --color-primary: #0f172a; /* Dark blue/black */
    --color-accent: #eab308;  /* Gold */
    --color-text: #ffffff;   /* White */
    --color-background: #f0f0f0; /* Light gray for body background */
    --color-card-bg: #ffffff;
    --grid-unit: 8px;
}

html {
    box-sizing: border-box;
    font-size: 62.5%; /* 1rem = 10px */
}

*, *::before, *::after {
    box-sizing: inherit;
}

body {
    font-family: 'メイリオ', Meiryo, 'ヒラギノ角ゴ Pro W3', 'Hiragino Kaku Gothic Pro', Osaka, 'ＭＳ Ｐゴシック', 'MS PGothic', sans-serif;
    font-size: 1.6rem; /* 16px */
    line-height: 1.5;
    color: var(--color-primary);
    background-color: var(--color-background);
    margin: 0;
    padding: 0;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

img {
    max-width: 100%;
    height: auto;
    vertical-align: bottom;
}

/* ==================================================
  Layout
================================================== */

.l-header {
    background-color: var(--color-primary);
    color: var(--color-text);
    padding: var(--grid-unit) * 2 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.l-header__inner,
.l-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--grid-unit) * 2;
}

.l-header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.l-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--grid-unit) * 4;
    margin-top: var(--grid-unit) * 4;
}

.l-main {
    flex: 1;
    min-width: 0; /* Allow flex item to shrink */
}

.l-sidebar {
    width: 300px;
    flex-shrink: 0;
}

.l-footer {
    background-color: var(--color-primary);
    color: var(--color-text);
    padding: var(--grid-unit) * 4 0;
    text-align: center;
    margin-top: var(--grid-unit) * 8;
}

/* ==================================================
  Components - p- (Project specific)
================================================== */

.p-site-logo {
    font-size: 2.8rem;
    margin: 0;
}

.p-site-logo a {
    color: var(--color-accent);
    font-weight: bold;
}

.p-global-nav__list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.p-global-nav__item {
    margin-left: var(--grid-unit) * 4;
}

.p-global-nav__item a {
    color: var(--color-text);
    font-size: 1.6rem;
    padding: var(--grid-unit) var(--grid-unit) * 2;
    display: block;
    transition: background-color 0.3s ease;
}

.p-global-nav__item a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    text-decoration: none;
}

.p-category-tabs {
    background-color: var(--color-card-bg);
    border-bottom: 1px solid #eee;
    margin-bottom: var(--grid-unit) * 4;
    overflow-x: auto; /* Horizontal scroll for subcategories */
    -webkit-overflow-scrolling: touch;
}

.p-category-tabs__list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    white-space: nowrap;
}

.p-category-tabs__item a {
    display: block;
    padding: var(--grid-unit) * 2 var(--grid-unit) * 3;
    color: var(--color-primary);
    font-weight: bold;
    border-bottom: 2px solid transparent;
    transition: border-color 0.3s ease;
}

.p-category-tabs__item a:hover,
.p-category-tabs__item--active a {
    border-color: var(--color-accent);
    text-decoration: none;
}

.p-article-list {
    margin-bottom: var(--grid-unit) * 6;
    background-color: var(--color-card-bg);
    padding: var(--grid-unit) * 3;
    border-radius: 4px;
}

.p-article-list__heading {
    font-size: 2.4rem;
    margin-top: 0;
    margin-bottom: var(--grid-unit) * 3;
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: var(--grid-unit);
}

.p-article-list__items {
    display: grid;
    gap: var(--grid-unit) * 4;
}

.p-article-list__items--3col {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.p-article-list__items--2col {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.p-article-list__items--1col {
    grid-template-columns: 1fr;
}

.p-card {
    background-color: var(--color-card-bg);
    border: 1px solid #eee;
    border-radius: 4px;
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}

.p-card:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.p-card__link {
    display: block;
    color: inherit;
}

.p-card__thumbnail {
    width: 100%;
    height: 180px; /* Adjust as needed */
    overflow: hidden;
}

.p-card__thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.p-card__title {
    font-size: 1.8rem;
    margin: var(--grid-unit) * 2;
    line-height: 1.3;
    height: 3.9em; /* Show 3 lines of text */
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.p-card__meta {
    font-size: 1.2rem;
    color: #666;
    margin: 0 var(--grid-unit) * 2 var(--grid-unit) * 2;
}

.p-card__meta span {
    margin-right: var(--grid-unit);
}

.p-card--horizontal {
    display: flex;
    align-items: flex-start;
}

.p-card--horizontal .p-card__thumbnail {
    width: 150px;
    height: 100px;
    flex-shrink: 0;
}

.p-card--horizontal .p-card__content {
    padding: var(--grid-unit) * 2;
}

.p-card--horizontal .p-card__title {
    font-size: 1.6rem;
    margin: 0 0 var(--grid-unit);
    height: auto;
    -webkit-line-clamp: 2;
}

.p-card--horizontal .p-card__meta {
    margin: 0;
}

.p-article-detail {
    background-color: var(--color-card-bg);
    padding: var(--grid-unit) * 4;
    border-radius: 4px;
}

.p-article-detail__title {
    font-size: 3.2rem;
    margin-top: 0;
    margin-bottom: var(--grid-unit) * 2;
}

.p-article-detail__meta {
    font-size: 1.4rem;
    color: #666;
    margin-bottom: var(--grid-unit) * 4;
    border-bottom: 1px solid #eee;
    padding-bottom: var(--grid-unit) * 2;
}

.p-article-detail__body h2 {
    font-size: 2.4rem;
    margin-top: var(--grid-unit) * 6;
    margin-bottom: var(--grid-unit) * 2;
    border-left: 4px solid var(--color-accent);
    padding-left: var(--grid-unit) * 2;
}

.p-article-detail__body h3 {
    font-size: 2rem;
    margin-top: var(--grid-unit) * 4;
    margin-bottom: var(--grid-unit) * 2;
    border-bottom: 1px dashed #eee;
    padding-bottom: var(--grid-unit);
}

.p-article-detail__body p {
    margin-bottom: var(--grid-unit) * 2;
    font-size: 1.6rem;
}

.p-sidebar-section {
    background-color: var(--color-card-bg);
    padding: var(--grid-unit) * 3;
    border-radius: 4px;
    margin-bottom: var(--grid-unit) * 4;
}

.p-sidebar-section__heading {
    font-size: 2rem;
    margin-top: 0;
    margin-bottom: var(--grid-unit) * 3;
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: var(--grid-unit);
}

.p-ranking-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.p-ranking-list__item {
    margin-bottom: var(--grid-unit) * 2;
    display: flex;
    align-items: center;
}

.p-ranking-list__link {
    display: flex;
    align-items: center;
    color: inherit;
}

.p-ranking-list__rank {
    font-size: 2.4rem;
    font-weight: bold;
    color: var(--color-accent);
    margin-right: var(--grid-unit) * 2;
    flex-shrink: 0;
}

.p-ranking-list__content {
    flex-grow: 1;
}

.p-ranking-list__title {
    font-size: 1.6rem;
    margin: 0;
    line-height: 1.3;
}

.p-ranking-list__meta {
    font-size: 1.2rem;
    color: #666;
    margin: var(--grid-unit) 0 0;
}

.p-keyword-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--grid-unit);
}

.p-keyword-list__item a {
    display: block;
    background-color: #eee;
    padding: var(--grid-unit) var(--grid-unit) * 2;
    border-radius: 20px;
    font-size: 1.4rem;
    color: var(--color-primary);
    transition: background-color 0.3s ease;
}

.p-keyword-list__item a:hover {
    background-color: var(--color-accent);
    color: var(--color-text);
    text-decoration: none;
}

/* ==================================================
  Breakpoints / Responsive Design
================================================== */

/* Tablet breakpoint */
@media (max-width: 1024px) {
    .l-container {
        flex-direction: column;
    }

    .l-main {
        width: 100%;
    }

    .l-sidebar {
        width: 100%;
    }

    .p-article-list__items--3col {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

/* Mobile breakpoint */
@media (max-width: 768px) {
    .l-header__inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .p-global-nav {
        margin-top: var(--grid-unit) * 2;
        width: 100%;
    }

    .p-global-nav__list {
        flex-wrap: wrap;
        gap: var(--grid-unit);
    }

    .p-global-nav__item {
        margin-left: 0;
    }

    .p-global-nav__item a {
        padding: var(--grid-unit) var(--grid-unit) * 2;
        font-size: 1.4rem;
    }

    .p-category-tabs__list {
        justify-content: flex-start;
    }

    .p-article-list__items--2col {
        grid-template-columns: 1fr;
    }

    .p-card--horizontal {
        flex-direction: column;
    }

    .p-card--horizontal .p-card__thumbnail {
        width: 100%;
        height: 180px;
    }

    .p-card--horizontal .p-card__content {
        padding: var(--grid-unit) * 2;
    }

    .p-article-detail__title {
        font-size: 2.4rem;
    }

    .p-article-detail__body h2 {
        font-size: 2rem;
    }

    .p-article-detail__body h3 {
        font-size: 1.8rem;
    }
}