:root {
    --transition-speed: 0.3s;
}

body {
    padding-top: 56px;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

.post {
    background-color: var(--bs-body-bg);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    border: 1px solid var(--bs-border-color);
    transition: background-color var(--transition-speed), border-color var(--transition-speed),
    box-shadow var(--transition-speed);
}

.user-icon {
    width: 40px;
    height: 40px;
    object-fit: cover;
}

.fixed-header {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1030;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

.fixed-sidebar {
    position: sticky;
    top: 76px;
    height: calc(100vh - 76px);
    overflow-y: auto;
}

.fixed-post-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1040;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

.post-menu {
    position: fixed;
    bottom: 90px;
    right: 20px;
    z-index: 1039;
    background-color: var(--bs-body-bg);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    display: none;
    transition: background-color var(--transition-speed);
}

.post-menu.show {
    display: block;
}

.post-menu-item {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    cursor: pointer;
    transition: background-color var(--transition-speed);
}

.post-menu-item:hover {
    background-color: var(--bs-secondary-bg);
}

.post-menu-item i {
    margin-right: 10px;
    font-size: 1.2em;
}

.user-menu {
    background-color: var(--bs-body-bg);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--bs-border-color);
    padding: 1rem;
    margin-bottom: 1rem;
    transition: background-color var(--transition-speed), border-color var(--transition-speed),
    box-shadow var(--transition-speed);
}

.user-menu-icon {
    width: 64px;
    height: 64px;
    object-fit: cover;
}

.theme-option {
    display: inline-block;
    width: 30px;
    height: 30px;
    margin: 5px;
    border-radius: 50%;
    cursor: pointer;
    transition: border-color var(--transition-speed);
}

.theme-option.active {
    border: 2px solid var(--bs-primary);
}

.theme-normal,
.theme-light-gray {
    background-color: #f8f9fa;
}

.theme-light-dark {
    background-color: #495057;
}

.theme-dark {
    background-color: #343a40;
}

.theme-light-blue {
    background-color: #e3f2fd;
}

.theme-light-green {
    background-color: #e8f5e9;
}

.theme-light-pink {
    background-color: #fce4ec;
}

[data-bs-theme="light-gray"] {
    --bs-body-color: #343a40;
    --bs-body-bg: #f8f9fa;
    --bs-primary: #6c757d;
    --bs-secondary: #adb5bd;
    --bs-success: #28a745;
    --bs-info: #17a2b8;
    --bs-warning: #ffc107;
    --bs-danger: #dc3545;
    --bs-light: #e9ecef;
    --bs-dark: #343a40;
    --bs-navbar-bg: #e9ecef;
    --bs-navbar-color: #495057;
}

[data-bs-theme="light-dark"] {
    --bs-body-color: #e9ecef;
    --bs-body-bg: #495057;
    --bs-primary: #6ea8fe;
    --bs-secondary: #ced4da;
    --bs-success: #75b798;
    --bs-info: #6edff6;
    --bs-warning: #ffda6a;
    --bs-danger: #ea868f;
    --bs-light: #f8f9fa;
    --bs-dark: #343a40;
    --bs-navbar-bg: #343a40;
    --bs-navbar-color: #f8f9fa;
}

[data-bs-theme="dark"] {
    --bs-body-color: #f8f9fa;
    --bs-body-bg: #212529;
    --bs-primary: #0d6efd;
    --bs-secondary: #6c757d;
    --bs-success: #198754;
    --bs-info: #0dcaf0;
    --bs-warning: #ffc107;
    --bs-danger: #dc3545;
    --bs-light: #f8f9fa;
    --bs-dark: #212529;
    --bs-navbar-bg: #343a40;
    --bs-navbar-color: #f8f9fa;
}

[data-bs-theme="light-blue"] {
    --bs-body-color: #0d47a1;
    --bs-body-bg: #e3f2fd;
    --bs-primary: #1976d2;
    --bs-secondary: #64b5f6;
    --bs-success: #43a047;
    --bs-info: #29b6f6;
    --bs-warning: #ffa000;
    --bs-danger: #e53935;
    --bs-light: #bbdefb;
    --bs-dark: #0d47a1;
    --bs-navbar-bg: #bbdefb;
    --bs-navbar-color: #0d47a1;
}

[data-bs-theme="light-green"] {
    --bs-body-color: #1b5e20;
    --bs-body-bg: #e8f5e9;
    --bs-primary: #4caf50;
    --bs-secondary: #81c784;
    --bs-success: #2e7d32;
    --bs-info: #4db6ac;
    --bs-warning: #ffa000;
    --bs-danger: #e53935;
    --bs-light: #c8e6c9;
    --bs-dark: #1b5e20;
    --bs-navbar-bg: #c8e6c9;
    --bs-navbar-color: #1b5e20;
}

[data-bs-theme="light-pink"] {
    --bs-body-color: #880e4f;
    --bs-body-bg: #fce4ec;
    --bs-primary: #e91e63;
    --bs-secondary: #f48fb1;
    --bs-success: #4caf50;
    --bs-info: #4dd0e1;
    --bs-warning: #ffa000;
    --bs-danger: #f44336;
    --bs-light: #f8bbd0;
    --bs-dark: #880e4f;
    --bs-navbar-bg: #f8bbd0;
    --bs-navbar-color: #880e4f;
}

/* ヘッダーのスタイル */
.navbar {
    background-color: var(--bs-navbar-bg) !important;
    color: var(--bs-navbar-color) !important;
}

.navbar .navbar-brand,
.navbar .nav-link {
    color: var(--bs-navbar-color) !important;
}

.navbar .nav-link:hover {
    color: var(--bs-primary) !important;
}

/* スマホ表示時のサイドメニューのスタイル */
@media (max-width: 991.98px) {
    .sidebar-container {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100%;
        background-color: var(--bs-body-bg);
        transition: right 0.3s ease-in-out;
        z-index: 1050;
        overflow-y: auto;
        padding: 1rem;
    }

    .sidebar-container.show {
        right: 0;
    }

    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 1040;
        display: none;
    }

    .sidebar-overlay.show {
        display: block;
    }
}

@media (min-width: 992px) {
    .d-lg-none {
        display: none !important;
    }
}

#noDataMessage {
    display: none;
    color: var(--bs-body-color);
    margin-bottom: 10px;
}

.theme-sample {
    padding: 10px;
    border-radius: 8px;
    margin-top: 20px;
    border: 1px solid var(--bs-border-color);
}

/* 新規投稿ボタンのスタイル */
.new-post-button {
    width: 100%;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    padding: 0.75rem 1rem;
    font-weight: bold;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.new-post-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.new-post-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: 0.25rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    z-index: 1000;
}

.new-post-menu.show {
    display: block;
}

/* スマホ版の投稿メニュー */
#pcNewPostMenu > .list-group > .list-group-item,
#mobile-post-menu > .list-group > .list-group-item {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

/* PCとモバイルの表示切り替え */
@media (max-width: 991.98px) {
    .pc-new-post {
        display: none !important;
    }
}

@media (min-width: 992px) {
    .mobile-new-post {
        display: none !important;
    }
}

.pc-new-post {
    position: relative;
}

/* シェアメニューのスタイル */
.share-button-container {
    position: relative;
}

.timeline-menu-item {
    cursor: pointer;
}

.share-menu {
    position: absolute;
    background-color: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: 0.25rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    z-index: 1000;
    display: none;
    white-space: nowrap;
    min-width: max-content;
    bottom: 100%;
    right: 0;
    left: auto;
    transform: none;
    margin-bottom: 0.5rem;
}

.share-menu.show {
    display: block;
}

.share-menu-item {
    padding: 0.5rem 1rem;
    cursor: pointer;
}

.share-menu-item:hover {
    background-color: var(--bs-secondary-bg);
}

/* コピー成功時のtooltipスタイル */
.copy-tooltip {
    position: absolute;
    background-color: var(--bs-success);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
    white-space: nowrap;
    right: 0;
    bottom: 100%;
    margin-bottom: 0.5rem;
}

.copy-tooltip.show {
    opacity: 1;
}

/* 投稿画像のスタイル */
.post-image {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.post-image img,
.post-image svg {
    display: block;
    width: 100%;
    height: auto;
}

/* ユーザー情報リンクのスタイル */
.user-info-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: inherit;
    transition: background-color 0.3s ease;
    border-radius: 8px;
    padding: 8px;
    margin: -8px;
}

.user-info-link:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

[data-bs-theme="dark"] .user-info-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* 投稿タイトルのスタイル */

.post-title {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--bs-body-color);
    margin-bottom: 1rem;
}

/* ユーザー情報と投稿タイトルを含む親要素のスタイル */
.post .d-flex.mb-3.align-items-center {
    flex-wrap: wrap;
}

.card {
    background-color: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.form-control {
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
    border-color: var(--bs-border-color);
    transition: background-color var(--transition-speed), color var(--transition-speed), border-color var(--transition-speed);
}

.form-control:focus {
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 0.25rem rgba(var(--bs-primary-rgb), 0.25);
}

.btn-outline-secondary {
    border-color: var(--bs-border-color);
    color: var(--bs-body-color);
    transition: background-color var(--transition-speed), color var(--transition-speed), border-color var(--transition-speed);
}

.btn-outline-secondary:hover {
    background-color: var(--bs-secondary);
    border-color: var(--bs-secondary);
    color: var(--bs-body-bg);
}

.form-check-input {
    background-color: var(--bs-body-bg);
    border-color: var(--bs-border-color);
}

.form-check-input:checked {
    background-color: var(--bs-primary);
    border-color: var(--bs-primary);
}

.form-check-label {
    color: var(--bs-body-color);
}

a {
    color: var(--bs-primary);
    transition: color var(--transition-speed);
}

a:hover {
    color: var(--bs-primary-darker);
}

.alert-danger {
    background-color: var(--bs-danger-bg-subtle);
    border-color: var(--bs-danger-border-subtle);
    color: var(--bs-danger-text);
}

.toast-container {
    z-index: 1050;
}

.page-header {
    background-color: var(--bs-navbar-bg) !important;
    border-radius: 10px;
    color: var(--bs-navbar-color) !important;
    margin-bottom: 15px;
    padding-left: 15px;
    padding-right: 15px;
}

.footer-color {
    background-color: var(--bs-navbar-bg) !important;
    color: var(--bs-navbar-color) !important;
}
/* トレーナーランクバッジ */
.badge-rank-f { background-color: #6c757d; color: #fff; }
.badge-rank-e { background-color: #17a2b8; color: #fff; }
.badge-rank-d { background-color: #28a745; color: #fff; }
.badge-rank-c { background-color: #0d6efd; color: #fff; }
.badge-rank-b { background-color: #fd7e14; color: #fff; }
.badge-rank-a { background-color: #ffc107; color: #212529; }

/* スマホ ボトムナビゲーション */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1029;
    display: flex;
    align-items: stretch;
    height: 56px;
    background-color: var(--bs-navbar-bg);
    border-top: 1px solid var(--bs-border-color);
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.08);
}
.bottom-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    font-size: .65rem;
    color: var(--bs-navbar-color);
    text-decoration: none;
    background: none;
    border: none;
    padding: 4px 0;
    transition: color var(--transition-speed);
    cursor: pointer;
}
.bottom-nav-item i {
    font-size: 1.25rem;
    line-height: 1;
}
.bottom-nav-item.active,
.bottom-nav-item:hover {
    color: var(--bs-primary);
}
@media (max-width: 991.98px) {
    body {
        padding-bottom: 56px;
    }
    .fixed-post-button {
        bottom: calc(56px + 20px);
    }
    .post-menu {
        bottom: calc(56px + 90px);
    }
    /* ハンバーガーメニューをスクロール可能にする */
    .navbar-collapse {
        max-height: calc(100dvh - 56px - 56px);
        overflow-y: scroll;
    }
}