html {
    scrollbar-gutter: stable;
}

:root {

    --primary-color: #4a90e2;

    --accent-color: #5cb85c;

    --bg-color: #f8f9fa;

    --card-bg: #ffffff;

    --text-main: #2d3436;

    --text-sub: #636e72;

    --border-color: #dfe6e9;

    --nav-height: 65px;

    --controls-height: 50px;

    --header-total-height: calc(var(--nav-height) + var(--controls-height));

    --shadow: 0 4px 12px rgba(0,0,0,0.08);

}



* {

    box-sizing: border-box;

    margin: 0;

    padding: 0;

    -webkit-tap-highlight-color: transparent;

}



body {

    font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", YuGothic, "Yu Gothic Medium", "Yu Gothic", sans-serif;

    background-color: var(--bg-color);

    color: var(--text-main);

    line-height: 1.6;

    overflow-x: hidden;

}



/* Navigation */

header {

    position: fixed;

    top: 0;

    left: 0;

    width: 100%;

    height: var(--header-total-height);

    background: var(--card-bg);

    box-shadow: 0 2px 10px rgba(0,0,0,0.05);

    z-index: 1000;

}



#header-container {

    display: flex;

    justify-content: space-between;

    align-items: center;

    height: var(--nav-height);

    max-width: 800px;

    margin: 0 auto;

    padding: 0 1rem;

}



/* ヘッダー2行目：コントロール部 */

#header-controls-container {

    height: var(--controls-height);

    border-top: 1px solid var(--border-color);

    background: var(--card-bg);

}



.header-controls-inner {

    display: flex;

    justify-content: space-between;

    align-items: center;

    gap: 0.75rem;

    height: 100%;

    max-width: 800px;

    margin: 0 auto;

    padding: 0 1rem;

}



.header-controls-left {

    display: flex;

    align-items: center;

    gap: 0.75rem;

    min-width: 0;

}



.view-mode-selector-wrapper {

    display: flex;

    flex-direction: column;

    align-items: center;

    gap: 2px;

}



.control-label {

    font-size: 0.6rem;

    color: var(--text-sub);

}



#app-logo {

    font-size: 1.2rem;

    font-weight: 800;

    color: var(--primary-color);

    white-space: nowrap;

    transform: translateX(-0.5em);

}



#main-nav {

    display: flex;

    justify-content: flex-end;

    align-items: center;

    height: 100%;

    flex: 1;

}



.nav-item {

    background: none;

    border: none;

    display: flex;

    flex-direction: column;

    align-items: center;

    color: var(--text-sub);

    cursor: pointer;

    transition: background-color 0.2s ease, color 0.2s ease;

    font-size: 0.7rem;

    flex: 1;

}



.nav-item .icon {

    font-size: 1.4rem;

    margin-bottom: 2px;

}



.nav-item.active {

    background: rgba(74, 144, 226, 0.14);

    border-radius: 8px;

}



.nav-item.active .icon {

    transform: scale(1.1);

}



/* Main Content Area */

main {

    margin-top: calc(var(--header-total-height) + 1rem);

    padding: 0 1rem 5rem;

    max-width: 600px;

    margin-left: auto;

    margin-right: auto;

}



.view {

    display: none;

    animation: fadeIn 0.3s ease-out;

}



.view.active {

    display: block;

}



@keyframes fadeIn {

    from { opacity: 0; transform: translateY(10px); }

    to { opacity: 1; transform: translateY(0); }

}



/* Header Controls (2行目) */

.view-mode-selector {

    display: flex;

    gap: 0.5rem;

}



.mode-btn {

    background: #e9ecef;

    border: none;

    padding: 0.4rem 0.6rem;

    border-radius: 6px;

    cursor: pointer;

    font-size: 1rem;

}



.mode-btn.active {

    background: var(--primary-color);

    color: white;

}



#sort-selector {

    padding: 0.4rem;

    border-radius: 6px;

    border: 1px solid var(--border-color);

    outline: none;

    max-width: 12rem;
}



.management-menu-wrapper {

    position: relative;

    flex: 0 0 auto;

}



.management-button {

    display: flex;

    align-items: center;

    justify-content: center;

    gap: 0.25rem;

    min-width: 4.5rem;

    height: 2.45rem;

    padding: 0 0.7rem;

    border: 1px solid var(--border-color);

    border-radius: 8px;

    background: var(--card-bg);

    color: var(--text-main);

    cursor: pointer;

    font-size: 0.9rem;

    font-family: inherit;

}



.management-button[aria-expanded="true"] {

    border-color: var(--primary-color);

    background: rgba(74, 144, 226, 0.1);

}



.management-icon {

    font-size: 1rem;

    line-height: 1;

}



.management-menu {

    position: absolute;

    top: calc(100% + 0.45rem);

    right: 0;

    width: 12rem;

    padding: 0.45rem;

    border: 1px solid var(--border-color);

    border-radius: 8px;

    background: var(--card-bg);

    box-shadow: var(--shadow);

    z-index: 1100;

}



.management-menu-item,
.management-menu-close {

    width: 100%;

    border: none;

    border-radius: 6px;

    background: transparent;

    color: var(--text-main);

    cursor: pointer;

    font-size: 0.9rem;

    font-family: inherit;

    padding: 0.55rem 0.7rem;

    text-align: left;

}



.management-menu-item + .management-menu-item,
.management-menu-close {

    border-top: 1px solid var(--border-color);

}



.management-menu-item:hover,
.management-menu-close:hover {

    background: #f1f3f5;

}



.management-menu-item.danger {

    color: #d63031;

    font-weight: 700;

}



.management-menu-close {

    color: var(--text-sub);

    text-align: center;

}



.lang-switcher {

    display: flex;

    flex-direction: column;

    gap: 0.35rem;

    padding: 0.55rem 0.7rem;

    font-size: 0.9rem;

    border-top: 1px solid var(--border-color);

}



.lang-switcher > span:first-child {

    font-size: 0.8rem;

}



.lang-select {

    border: 1px solid var(--border-color);

    border-radius: 4px;

    background: var(--card-bg);

    color: var(--text-main);

    font-size: 0.85rem;

    font-family: inherit;

    padding: 0.3rem 0.4rem;

    cursor: pointer;

    width: 100%;

}



/* Card Layout */

.card-grid {

    display: grid;

    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));

    gap: 1.5rem;

    padding: 0.5rem 0;

}



/* List Mode Styles */

.card-grid.list-mode {

    display: flex;

    flex-direction: column;

    gap: 0.5rem;

}



.card-grid.list-mode .diary-card {

    display: flex;

    align-items: center;

    height: 60px;

}



.card-grid.list-mode .diary-card img,

.card-grid.list-mode .diary-card .no-image-placeholder {

    width: 60px;

    height: 60px;

    aspect-ratio: 1 / 1;

}



.card-grid.list-mode .diary-content {

    padding: 0 1rem;

    display: flex;

    justify-content: space-between;

    align-items: center;

    flex: 1;

    overflow: hidden;

}



.card-grid.list-mode .diary-title {

    margin-bottom: 0;

    font-size: 1rem;

}



/* No Image Styles */

.no-image-placeholder {

    width: 100%;

    aspect-ratio: 4 / 3;

    background: #f1f3f5;

    display: flex;

    justify-content: center;

    align-items: center;

    color: #ced4da;

    font-size: 2rem;

}



.diary-card {

    background: var(--card-bg);

    border-radius: 12px;

    overflow: hidden;

    box-shadow: var(--shadow);

    transition: transform 0.2s;

    cursor: pointer;

}



.diary-card:active {

    transform: scale(0.98);

}



.diary-card img {

    width: 100%;

    aspect-ratio: 4 / 3;

    object-fit: cover;

    display: block;

}



.diary-content {

    padding: 1rem;

}



.diary-title {

    font-size: 1.1rem;

    font-weight: 700;

    margin-bottom: 0.3rem;

    color: var(--text-main);

    white-space: nowrap;

    overflow: hidden;

    text-overflow: ellipsis;

}



.diary-date {

    font-size: 0.8rem;

    color: var(--text-sub);

}



/* Form Styles */

.form-container {

    background: var(--card-bg);

    padding: 1.5rem;

    border-radius: 16px;

    box-shadow: var(--shadow);

}



.form-container h2 {

    margin-bottom: 1.5rem;

    text-align: center;

    color: var(--primary-color);

}



.file-label-box {

    display: block;

    cursor: pointer;

}



.preview-box {

    width: 100%;

    min-height: 200px;

    max-height: 400px;

    background: #f1f3f5;

    border: 2px solid var(--border-color);

    border-radius: 12px;

    display: flex;

    justify-content: center;

    align-items: center;

    overflow: hidden;

}



.preview-box img {

    width: 100%;

    height: 100%;

    object-fit: contain;

    background: #000;

}



.placeholder {

    color: var(--text-sub);

    font-size: 0.9rem;

}



#image-input {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
    overflow: hidden;
    pointer-events: none;
}

.rotate-btn {
    display: block;
    width: 100%;
    padding: 0.6rem;
    margin-top: 0.5rem;
    background: #e9ecef;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--text-main);
    text-align: center;
}

.rotate-btn:hover {
    background: #dfe6e9;
}

textarea {

    width: 100%;

    padding: 1rem;

    border: 1px solid var(--border-color);

    border-radius: 12px;

    font-size: 1rem;

    font-family: inherit;

    resize: none;

    outline: none;

    transition: border-color 0.3s;

}



textarea:focus {

    border-color: var(--primary-color);

}



.primary-button {

    width: 100%;

    background: var(--primary-color);

    color: white;

    border: none;

    padding: 1rem;

    font-size: 1.1rem;

    font-weight: 700;

    border-radius: 12px;

    cursor: pointer;

    margin-top: 1rem;

}

.primary-button:active {

    background: #357abd;

    transform: scale(0.98);

}

.primary-button:disabled {

    background: #a0c4f0;

    cursor: not-allowed;

    transform: none;

}



.secondary-button {

    width: 100%;

    background: #e9ecef;

    color: var(--text-main);

    border: none;

    padding: 1rem;

    font-size: 1rem;

    border-radius: 12px;

    cursor: pointer;

    margin-top: 0.5rem;

}

.secondary-button:active {

    background: #d0d4d8;

    transform: scale(0.98);

}



.hidden {

    display: none;

}

.delete-button {

    color: #d63031;

    font-weight: 700;

}



/* Search */

.search-container {

    margin-bottom: 1.5rem;

}



#search-input {

    width: 100%;

    padding: 1rem 1.5rem;

    border: none;

    border-radius: 30px;

    background: var(--card-bg);

    box-shadow: var(--shadow);

    font-size: 1rem;

    outline: none;

}



/* Calendar */

#calendar-container {

    background: var(--card-bg);

    border-radius: 16px;

    padding: 1rem;

    box-shadow: var(--shadow);

    margin-bottom: 1.5rem;

}



.calendar-header {

    display: flex;

    justify-content: space-between;

    align-items: center;

    margin-bottom: 1rem;

}



.calendar-grid {

    display: grid;

    grid-template-columns: repeat(7, 1fr);

    text-align: center;

}



.calendar-day-head {

    font-weight: 700;

    font-size: 0.8rem;

    color: var(--text-sub);

    padding: 0.5rem 0;

}



.calendar-day {

    padding: 0.8rem 0;

    cursor: pointer;

    border-radius: 50%;

    font-size: 0.9rem;

    transition: background 0.2s;

    position: relative;

}



.calendar-day:hover { background: #f1f3f5; }

.calendar-day.today { color: var(--primary-color); font-weight: 700; }

.calendar-day.selected { background: var(--primary-color); color: white; }

.calendar-day.has-entry::after {

    content: '';

    position: absolute;

    bottom: 4px;

    left: 50%;

    transform: translateX(-50%);

    width: 4px;

    height: 4px;

    background: var(--accent-color);

    border-radius: 50%;

} 

/* 選択した日付を強調するスタイル */
.calendar-day.is-selected {
    background-color: #e0f7fa; /* 薄い水色の背景 */
/*    border: 2px solid #00acc1;  /* 青い枠線 */
    border-radius: 50%;         /* 丸くする場合 */
    font-weight: bold;
}

/* ==========================================
   Display Styles (all / card / list)
   ========================================== */

/* 1. 標準表示 (style-all - デフォルト) */
.card-grid.style-all .diary-card .card-text-preview {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    font-size: 0.85rem;
    color: var(--text-sub);
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 0.5rem;
    line-height: 1.45;
}

/* 2. カード表示 (style-card) */
.card-grid.style-card .diary-card .card-text-preview {
    display: none;
}

/* 3. リスト表示 (style-list) */
.card-grid.style-list {
    display: flex !important;
    flex-direction: column !important;
    gap: 0px !important;
    background: var(--card-bg) !important;
    border-radius: 12px !important;
    box-shadow: var(--shadow) !important;
    padding: 0.5rem !important;
}

.card-grid.style-list .diary-card {
    display: block !important;
    background: none !important;
    box-shadow: none !important;
    border-bottom: 1px solid var(--border-color) !important;
    border-radius: 0 !important;
    padding: 10px 8px !important;
    height: auto !important;
}

.card-grid.style-list .diary-card:last-child {
    border-bottom: none !important;
}

.card-grid.style-list .diary-card img,
.card-grid.style-list .diary-card .no-image-placeholder {
    display: none !important;
}

.card-grid.style-list .diary-content {
    display: grid !important;
    grid-template-areas: 
        "title preview"
        "date preview" !important;
    grid-template-columns: 110px 1fr !important;
    grid-template-rows: auto auto !important;
    gap: 0px 16px !important;
    padding: 0 !important;
    align-items: start !important;
}

.card-grid.style-list .diary-title {
    grid-area: title !important;
    margin: 0 !important;
    font-size: 0.95rem !important;
    font-weight: bold !important;
    color: var(--text-main) !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    width: auto !important;
    line-height: 1.3 !important;
    padding-top: 1px !important;
}

.card-grid.style-list .diary-date {
    grid-area: date !important;
    font-size: 0.8rem !important;
    color: var(--text-sub) !important;
    white-space: nowrap !important;
    width: auto !important;
    line-height: 1.3 !important;
    padding-top: 1px !important;
}

.card-grid.style-list .card-text-preview {
    grid-area: preview !important;
    display: -webkit-box !important;
    -webkit-box-orient: vertical !important;
    -webkit-line-clamp: 2 !important;
    font-size: 0.85rem !important;
    color: var(--text-sub) !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    flex-grow: 1 !important;
    white-space: normal !important;
    line-height: 1.45 !important;
}

/* 通常の非表示フォールバック */
.diary-card .card-text-preview {
    display: none;
}

/* FAQ & About Styles */
.faq-container,
.about-container,
.terms-container,
.privacy-container,
.contact-container {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    animation: fadeIn 0.3s ease-out;
}

.section-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--primary-color);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.faq-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.faq-question {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.faq-answer {
    font-size: 0.9rem;
    color: var(--text-sub);
    line-height: 1.5;
}

.about-list {
    display: flex;
    flex-direction: column;
    background: var(--bg-color);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

.about-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
    color: var(--text-main);
}

.about-item:last-child {
    border-bottom: none;
}

.about-item.clickable {
    cursor: pointer;
    transition: background-color 0.2s;
}

.about-item.clickable:active {
    background-color: rgba(74, 144, 226, 0.08);
}

.about-label {
    font-weight: 500;
}

.about-value {
    color: var(--text-sub);
}

.about-arrow {
    color: var(--border-color);
    font-size: 0.8rem;
    transition: transform 0.2s;
}

.about-item.clickable:hover .about-arrow {
    transform: translateX(3px);
    color: var(--primary-color);
}

.back-to-list-button,
.back-to-about-button {
    margin-top: 1rem;
}

.terms-content,
.privacy-content,
.contact-content {
    min-height: 150px;
    margin-bottom: 1.5rem;
    color: var(--text-sub);
    font-size: 0.95rem;
    line-height: 1.7;
}

.terms-content h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
    margin: 1.5rem 0 0.5rem 0;
    padding-bottom: 0.25rem;
    border-bottom: 1px solid var(--border-color);
}

.terms-content h3:first-child {
    margin-top: 0;
}

.terms-content ol,
.privacy-content ol,
.contact-content ol {
    padding-left: 1.5rem;
    margin: 0.5rem 0;
}

.terms-content ol li,
.privacy-content ol li,
.contact-content ol li {
    margin-bottom: 0.4rem;
}

.terms-content ul,
.privacy-content ul,
.contact-content ul {
    list-style: disc;
    padding-left: 1.5rem;
    margin: 0.3rem 0;
}

.terms-content ul li,
.privacy-content ul li,
.contact-content ul li {
    margin-bottom: 0.2rem;
}

.terms-content p {
    margin: 0.5rem 0;
}

.terms-supplementary {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-sub);
    text-align: right;
}

/* ステータスバー（投稿数 + ライセンスバッジ） */
#status-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    font-size: 14px;
    color: #666;
    border-bottom: 1px solid var(--border-color);
    background: var(--card-bg);
}

#entry-count-display {
    flex: 1;
}

/* ライセンスバッジ共通 */
.license-badge {
    border: none;
    border-radius: 20px;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: opacity 0.2s;
    letter-spacing: 0.02em;
}

.license-badge:active {
    opacity: 0.75;
}

/* 認証済（黄緑） */
.license-badge--full {
    background-color: #00FF00;
    color: #ffffff;
    border: 1px solid #88bb00;
    cursor: default;
}

/* 未認証（赤） */
.license-badge--trial {
    background-color: #FF0000;
    color: #ffffff;
    border: 1px solid #cc0000;
}

.license-badge--trial:hover {
    background-color: #cc0000;
}
