/* path: admin/assets/css/admin.css */

/* ======================================================================= */
/* 【管理画面専用】: admin.css                            */
/* ======================================================================= */

/* --- 基本設定 --- */
:root {
    --admin-background-color: #f8f9fa;
    --base-text-color: #1A2B47;
    --accent-color: #BFA975;
    --accent-color-hover: #D8C596;
    --sidebar-width: 240px;
    --sidebar-width-collapsed: 68px;
    --header-height: 60px;
}

/* 基本的なリセットとbox-sizingの定義 */
ul, ol { list-style: none; margin: 0; padding: 0; }
*, *::before, *::after { box-sizing: border-box; }

html { font-size: 100%; }

body {
    background-color: var(--admin-background-color);
    font-family: 'Helvetica Neue', 'Arial', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Meiryo', sans-serif;
    margin: 0;
    line-height: 1.7;
    color: var(--base-text-color);
    overflow-x: hidden;
}
h1, h2, h3 { font-family: 'Times New Roman', 'YuMincho', 'Yu Mincho', serif; }
a { text-decoration: none; color: var(--base-text-color); transition: color 0.3s; }
a:hover { color: var(--accent-color-hover); }


/* --- レイアウトコンテナ (モバイルファースト) --- */
.admin-layout {
    display: block;
}
.admin-main {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-width: 0;
}


/* --- サイドバー --- */
.admin-sidebar {
    background-color: var(--base-text-color);
    color: #fff;
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: var(--sidebar-width);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1020;
    transition: width 0.3s ease, transform 0.3s ease;
    flex-shrink: 0;
}
.admin-sidebar-header {
    height: var(--header-height);
    padding: 0 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
    overflow: hidden;
}
.admin-logo { display: flex; align-items: center; gap: 0.75rem; color: #fff; text-decoration: none; }
.admin-logo:hover .logo-full .sidebar-text, 
.admin-logo:hover .logo-full svg text { 
    color: var(--accent-color-hover); 
    fill: var(--accent-color-hover); 
}
.logo-full { display: flex; align-items: center; transition: all 0.2s; }
.logo-icon { display: none; }
.logo-icon svg { width: 24px; height: 24px; stroke-width: 1.5; stroke: #fff; transition: stroke 0.3s; }
.logo-full .sidebar-text { white-space: nowrap; }

.admin-nav { 
    flex-grow: 1; 
    overflow-y: auto; 
    overflow-x: hidden;
    padding: 1rem 0; 
}
.admin-nav::-webkit-scrollbar { width: 8px; }
.admin-nav::-webkit-scrollbar-track { background: rgba(0,0,0,0.1); }
.admin-nav::-webkit-scrollbar-thumb { background-color: var(--accent-color); border-radius: 4px; }
.admin-nav::-webkit-scrollbar-thumb:hover { background-color: var(--accent-color-hover); }
.admin-nav { scrollbar-width: thin; scrollbar-color: var(--accent-color) rgba(0,0,0,0.1); }

.admin-nav a { display: flex; align-items: center; gap: 1rem; padding: 0.8rem 1.5rem; color: #e0e0e0; border-left: 4px solid transparent; transition: all 0.2s; white-space: nowrap; }
.admin-nav a:hover { background-color: rgba(255, 255, 255, 0.05); color: var(--accent-color-hover); }
.admin-nav li.active a { background-color: rgba(0, 0, 0, 0.2); color: #fff; font-weight: bold; border-left-color: var(--accent-color); }
.nav-icon { flex-shrink: 0; width: 24px; height: 24px; display: inline-flex; align-items: center; justify-content: center; }
.nav-icon svg { width: 20px; height: 20px; stroke-width: 1.5; stroke: currentColor; }

.admin-sidebar-footer {
    padding: 1rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
    margin-top: auto;
}
.logout-button { display: flex; align-items: center; gap: 1rem; padding: 0.8rem 1.5rem; color: #e0e0e0; white-space: nowrap; }
.logout-button:hover { color: var(--accent-color-hover); }


/* --- メインヘッダー --- */
.admin-header {
    height: var(--header-height);
    background-color: #fff;
    border-bottom: 1px solid #e9ecef;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    flex-shrink: 0;
}
.admin-page-title { margin: 0; font-size: 1.5rem; font-weight: 600; white-space: nowrap; }
.admin-header-utils { margin-left: auto; display: flex; align-items: center; gap: 1.5rem; }
.admin-user-info { display: flex; align-items: center; font-size: 0.9rem; color: #555; white-space: nowrap; }
.user-personal-name { font-weight: bold; margin-left: 0.5em; }

.font-size-switcher button { background: #f0f0f0; border: 1px solid #ccc; padding: 0.2rem 0.5rem; margin-left: 0.2rem; cursor: pointer; border-radius: 3px; color: #333; }
.font-size-switcher button.active { background-color: var(--base-text-color); color: white; }

.admin-hamburger, .sidebar-close-btn { display: none; }


/* --- メインコンテンツ --- */
.admin-content { padding: 2rem; flex-grow: 1; width: 100%; }

.dashboard-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(3, 1fr);
}
.summary-card, .content-panel {
    background-color: #fff;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid #e9ecef;
    border-top: 4px solid var(--accent-color);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    grid-column: span 1;
    overflow-wrap: break-word;
    min-width: 0;
}
.summary-card:hover, .content-panel:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 24px rgba(0,0,0,0.08);
}
.card-size-medium { grid-column: span 2; }
.card-size-large { grid-column: span 3; }

.fade-in-target {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.fade-in-target.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.summary-card {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.25rem;
}
.summary-card::before {
    content: '';
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    background-color: rgba(191, 169, 117, 0.1);
    border-radius: 50%;
    background-repeat: no-repeat;
    background-position: center;
    background-size: 55%;
}
.summary-card-content {
    flex-grow: 1;
    min-width: 0;
}

.summary-card.users::before { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23BFA975' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpath d='M17 21v-2a4 4 0 00-4-4H5a4 4 0 00-4 4v2'/%3e%3ccircle cx='9' cy='7' r='4'/%3e%3cpath d='M23 21v-2a4 4 0 00-3-3.87'/%3e%3cpath d='M16 3.13a4 4 0 010 7.75'/%3e%3c/svg%3e"); }
.summary-card.meetings::before { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23BFA975' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3crect x='3' y='4' width='18' height='18' rx='2' ry='2'/%3e%3cline x1='16' y1='2' x2='16' y2='6'/%3e%3cline x1='8' y1='2' x2='8' y2='6'/%3e%3cline x1='3' y1='10' x2='21' y2='10'/%3e%3c/svg%3e"); }
.summary-card.inquiries::before { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23BFA975' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpath d='M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c-1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z'/%3e%3cpolyline points='22,6 12,13 2,6'/%3e%3c/svg%3e"); }

.summary-card h3 { margin: 0 0 0.5rem; font-size: 1rem; color: #555; font-weight: normal; }
.summary-card .summary-value { margin: 0; font-size: 2.2rem; font-weight: 600; line-height: 1; color: var(--base-text-color); }
.summary-card .summary-unit { font-size: 1rem; margin-left: 0.25em; font-weight: normal; color: #555; }
.summary-card .summary-text { margin: 0; font-size: 1.2rem; font-weight: bold; }
.summary-card .summary-subtext { margin: 0.25rem 0 0; font-size: 0.9rem; color: #555; }

.panel-title { margin: -1.5rem -1.5rem 1.5rem; padding: 1rem 1.5rem; border-bottom: 1px solid #e9ecef; font-size: 1.1rem; border-top: 4px solid transparent; }

.chart-container { position: relative; height: 300px; width: 100%; }
.activity-list li { padding: 0.75rem 0; border-bottom: 1px solid #f0f0f0; font-size: 0.9rem; line-height: 1.5; }
.activity-list li:last-child { border-bottom: none; }


/* ======================================================================= */
/* PC向けスタイル (961px以上)                                           */
/* ======================================================================= */
@media (min-width: 961px) {
    .admin-layout { 
        display: flex;
        padding-left: var(--sidebar-width); 
    }
    body.sidebar-collapsed .admin-layout { padding-left: var(--sidebar-width-collapsed); }

    .admin-sidebar { transform: translateX(0) !important; }
    body.sidebar-collapsed .admin-sidebar { width: var(--sidebar-width-collapsed); }

    body.sidebar-collapsed .logo-full { opacity: 0; visibility: hidden; width: 0; }
    body.sidebar-collapsed .sidebar-text { display: none; }
    body.sidebar-collapsed .logo-icon { display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; }
    .admin-logo:hover .logo-icon svg { stroke: var(--accent-color-hover); }

    body.sidebar-collapsed .admin-logo { justify-content: center; gap: 0; }
    body.sidebar-collapsed .admin-sidebar-header { padding: 0; justify-content: center; }
    body.sidebar-collapsed .admin-nav a, 
    body.sidebar-collapsed .logout-button { justify-content: center; padding: 0.8rem 0; }

    .sidebar-toggler {
        position: fixed; top: 50%; left: var(--sidebar-width);
        transform: translate(-50%, -50%);
        width: 30px; height: 30px;
        background-color: var(--base-text-color);
        border: 2px solid #fff; border-radius: 50%;
        cursor: pointer; display: flex; align-items: center; justify-content: center;
        z-index: 1021; transition: left 0.3s ease, transform 0.3s ease;
    }
    body.sidebar-collapsed .sidebar-toggler { 
        left: var(--sidebar-width-collapsed); 
        transform: translate(-50%, -50%) rotate(180deg);
    }
    .sidebar-toggler::before { content: '‹'; font-size: 1.5rem; transform: translateY(-1px); color: #fff; }
    .sidebar-toggler:hover { background-color: var(--accent-color); }
}

/* ======================================================================= */
/* スマホ・タブレット向けスタイル                                       */
/* ======================================================================= */

/* --- タブレットサイズ (～1200px) --- */
@media (max-width: 1200px) {
    .dashboard-grid { grid-template-columns: repeat(2, 1fr); }
    .card-size-medium, .card-size-large { grid-column: span 2; }
}

/* --- スマホ・タブレット共通 (～960px) --- */
@media (max-width: 960px) {
    .sidebar-toggler { display: none; }
    
    .admin-sidebar { transform: translateX(-100%); width: 100%; }
    body.admin-sidebar-active .admin-sidebar { transform: translateX(0); }
    
    .admin-hamburger {
        display: block; background: none; border: none; cursor: pointer; padding: 0;
        width: 30px; height: 24px; margin-right: 1rem;
    }
    .admin-hamburger span { display: block; position: relative; width: 100%; height: 3px; background-color: var(--base-text-color); border-radius: 3px; }
    .admin-hamburger span + span { margin-top: 7.5px; }
    
    .sidebar-close-btn {
        display: block; background: none; border: none; cursor: pointer; padding: 0;
        width: 30px; height: 30px; position: relative;
    }
    .sidebar-close-btn span { display: block; position: absolute; top: 13.5px; left: 0; width: 100%; height: 3px; background-color: #fff; border-radius: 3px; }
    .sidebar-close-btn span:first-child { transform: rotate(45deg); }
    .sidebar-close-btn span:last-child { transform: rotate(-45deg); }

    .admin-header .admin-user-info { display: none; }
    body.admin-sidebar-active .admin-main { display: none; }
}

/* --- スマホサイズ (～768px) --- */
@media (max-width: 768px) {
    .dashboard-grid { grid-template-columns: 1fr; }
    .card-size-small, .card-size-medium, .card-size-large { grid-column: span 1; }
    .admin-content { padding: 1.5rem 1rem; }
    .admin-page-title { white-space: normal; font-size: 1.25rem; }
    .admin-header { padding: 0 1.5rem; }

    .summary-card {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
        padding: 1.5rem 1rem;
    }
    .summary-card-content {
        text-align: center;
    }
    .summary-card .summary-value { font-size: 2rem; }
}

/* --- 超小型スマホ (～480px) --- */
@media (max-width: 480px) {
    .admin-content { padding: 1rem 0.75rem; }
    .admin-header { padding: 0 1rem; }
    .dashboard-grid { gap: 1rem; }
    .summary-card, .content-panel { padding: 1rem; }
    .admin-page-title { font-size: 1.1rem; }
}

/* ======================================================================= */
/* モーダルダイアログ                                                   */
/* ======================================================================= */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.is-visible {
    opacity: 1;
    visibility: visible;
}

.modal-dialog {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    width: 90%;
    max-width: 500px;
    transform: translateY(-20px) scale(0.95);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.modal-overlay.is-visible .modal-dialog {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.modal-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #e9ecef;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    margin: 0;
    font-size: 1.25rem;
    font-family: 'Times New Roman', 'YuMincho', 'Yu Mincho', serif;
    font-weight: bold;
    color: var(--base-text-color);
}

.modal-close-btn {
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: #888;
    padding: 0;
    line-height: 1;
}
.modal-close-btn:hover {
    color: var(--accent-color);
}

.modal-body {
    padding: 1.5rem;
    line-height: 1.7;
    color: var(--base-text-color);
}

.modal-footer {
    padding: 1rem 1.5rem;
    background-color: #f8f9fa;
    border-top: 1px solid #e9ecef;
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    border-radius: 0 0 8px 8px;
}