/* --- Color Variables for Theming --- */
:root {
    --bg-color: #EFEBE3; /* 09番のクリーム色 */
    --text-color-primary: #313133; /* 09番のダークブラウン */
    --text-color-secondary: #857E72; /* 中間色を少し調整 */
    --card-bg-color: #FFFFFF; /* カードは白で清潔感を出す */
    --card-border-color: #E0DCD4; /* 背景より少し濃い境界線 */
    --card-hover-border-color: #C0A062; /* ゴールド系のアクセント */
    --card-hover-bg-color: #F9F7F4;
    --sidebar-bg: #313133; /* サイドバーはダークブラウンで引き締める */
    --sidebar-text: #EFEBE3;
    --sidebar-hover-bg: #4A4A4D;
    --sidebar-active-bg: #A37E4F; /* ゴールド系のアクセント */
    --accent-color: #A37E4F; /* ゴールド系のアクセント */
    --accent-color-hover: #85663F;
    --icon-accent-bg: rgba(163, 126, 79, 0.1);
}

body.dark-mode {
    --bg-color: #0d1117;
    --text-color-primary: #c9d1d9;
    --text-color-secondary: #8b949e;
    --card-bg-color: #161b22;
    --card-border-color: #30363d;
    --card-hover-border-color: #238636;
    --card-hover-bg-color: #1a221f;
    --sidebar-bg: #010409;
    --sidebar-text: #8b949e;
    --sidebar-hover-bg: #161b22;
    --sidebar-active-bg: #238636;
    --accent-color: #238636;
    --accent-color-hover: #2ea043;
    --icon-accent-bg: rgba(35, 134, 54, 0.2);
}

/* --- General Body & Layout --- */
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color-primary);
    transition: background-color 0.3s, color 0.3s;
}

.main-container {
    display: flex;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.content-wrapper {
    flex: 1;
    padding: 1.5rem;
}

@media (min-width: 768px) {
    .content-wrapper {
        padding: 2rem;
    }
}

/* --- Sidebar --- */
.sidebar {
    width: 16rem;
    background-color: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    padding: 1rem;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    border-right: 1px solid var(--card-border-color);
    transition: background-color 0.3s, border-color 0.3s;
}
.sidebar-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 0 0.5rem;
}
.sidebar-logo {
    font-size: 1.875rem;
    color: var(--accent-color);
}
.sidebar-title {
    margin-left: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
}
.sidebar-user-info {
    margin-bottom: 1.5rem;
    padding: 1rem;
    border-radius: 0.5rem;
    background-color: rgba(255,255,255,0.05);
}
body.dark-mode .sidebar-user-info {
    background-color: rgba(255, 255, 255, 0.03);
}
.sidebar-user-info p {
    font-size: 0.875rem;
}
.sidebar-user-info .balance {
    color: #9ca3af;
}
.sidebar-user-info .balance-amount {
    font-weight: 600;
    color: #fff;
    font-size: 1.125rem;
}
.sidebar-nav {
    flex: 1;
}
.sidebar-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.sidebar-nav li {
    margin-bottom: 0.25rem;
}
.sidebar-nav a {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    border-radius: 0.375rem;
    transition: all 0.2s;
    color: var(--sidebar-text);
    text-decoration: none;
    font-weight: 500;
}
.sidebar-nav a:hover {
    background-color: var(--sidebar-hover-bg);
    color: #fff;
}
.sidebar-nav a.active {
    background-color: var(--accent-color);
    color: #fff;
}
.sidebar-nav a i {
    width: 1.25rem;
    margin-right: 0.75rem;
    text-align: center;
}
.sidebar-footer {
    margin-top: auto;
    position: relative;
}
.logout-btn {
    width: 100%;
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    border-radius: 0.375rem;
    background-color: var(--sidebar-hover-bg);
    color: var(--sidebar-text);
    text-align: left;
    border: none;
    cursor: pointer;
    font-weight: 500;
}
.logout-btn:hover {
    background-color: #dc2626;
    color: #fff;
}

/* --- Dark Mode Toggle --- */
.theme-switch-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 1.5rem 0;
    padding: 0.5rem;
    background-color: var(--sidebar-hover-bg);
    border-radius: 0.5rem;
}
.theme-switch-label {
    margin-right: 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--sidebar-text);
}
.theme-switch {
    display: inline-block;
    height: 24px;
    position: relative;
    width: 48px;
}
.theme-switch input { display:none; }
.slider {
    background-color: #374151;
    bottom: 0;
    cursor: pointer;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: .4s;
    border-radius: 24px;
}
.slider:before {
    background-color: #fff;
    bottom: 4px;
    content: "";
    height: 16px;
    left: 4px;
    position: absolute;
    transition: .4s;
    width: 16px;
    border-radius: 50%;
}
input:checked + .slider {
    background-color: var(--accent-color);
}
input:checked + .slider:before {
    transform: translateX(24px);
}

/* --- General Components --- */
.content-container {
    background-color: var(--card-bg-color);
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    border: 1px solid var(--card-border-color);
    width: 100%;
    transition: background-color 0.3s, border-color 0.3s;
}
.page-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-color-primary);
    margin-bottom: 0.5rem;
}
.section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color-primary);
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--card-border-color);
    margin-bottom: 1.5rem;
}
.form-group {
    margin-bottom: 1.5rem;
}
.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-color-primary);
    margin-bottom: 0.5rem;
}
.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--card-border-color);
    border-radius: 0.375rem;
    background-color: var(--bg-color);
    color: var(--text-color-primary);
    transition: border-color 0.2s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: 2px solid transparent;
    outline-offset: 2px;
    border-color: var(--accent-color);
}
.form-help-text {
    font-size: 0.75rem;
    color: var(--text-color-secondary);
    margin-top: 0.5rem;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    padding: 0.625rem 1.25rem;
    border-radius: 0.375rem;
    border: none;
    cursor: pointer;
    transition: background-color 0.2s;
}
.btn-primary { background-color: var(--accent-color); }
.btn-primary:hover { background-color: var(--accent-color-hover); }

/* --- Dashboard Specific Styles --- */
.dashboard-container { display: flex; flex-direction: column; gap: 2rem; }
.dashboard-header p { color: var(--text-color-secondary); }

.stats-grid { display: grid; grid-template-columns: repeat(1, 1fr); gap: 1.5rem; }
@media (min-width: 640px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }
.stat-card {
    background-color: var(--card-bg-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid var(--card-border-color);
}
.stat-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.stat-icon i { font-size: 1.25rem; }
.stat-label { font-size: 0.875rem; color: var(--text-color-secondary); font-weight: 500; }
.stat-value { font-size: 1.5rem; font-weight: 700; color: var(--text-color-primary); }

.action-card-wrapper {
    background-color: var(--card-bg-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    border: 1px solid var(--card-border-color);
}
.action-card {
    background-color: var(--bg-color);
    border-radius: 0.5rem;
    padding: 1rem;
    border: 1px solid var(--card-border-color);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.2s ease-in-out;
    text-decoration: none;
    color: inherit;
}
.action-card:hover { border-color: var(--accent-color); background-color: var(--card-hover-bg-color); transform: translateY(-2px); }
.action-icon {
    font-size: 1.25rem;
    color: var(--accent-color);
    background-color: var(--icon-accent-bg);
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.action-label { display: block; font-weight: 600; color: var(--text-color-primary); }
.action-desc { font-size: 0.875rem; color: var(--text-color-secondary); }

/* --- Table Styles --- */
.table-container {
    background-color: var(--card-bg-color);
    border-radius: 0.75rem;
    border: 1px solid var(--card-border-color);
    padding: 1.5rem;
}
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 1rem; text-align: left; border-bottom: 1px solid var(--card-border-color); }
.table th {
    background-color: var(--bg-color);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-color-secondary);
    letter-spacing: 0.05em;
}
.table tbody tr:last-child td { border-bottom: none; }

/* --- Status Badges --- */
.status-badge { padding: 0.25rem 0.75rem; border-radius: 9999px; font-size: 0.75rem; font-weight: 600; display: inline-block; line-height: 1.25; }
.status-open, .status-pending { background-color: #fef9c3; color: #854d0e; }
.status-answered, .status-completed, .status-active { background-color: #dcfce7; color: #166534; }
.status-closed, .status-cancelled, .status-failed { background-color: #fee2e2; color: #991b1b; }
.status-processing { background-color: #dbeafe; color: #1e40af; }

body.dark-mode .status-open, body.dark-mode .status-pending { background-color: #4d3306; color: #fef08a; }
body.dark-mode .status-answered, body.dark-mode .status-completed, body.dark-mode .status-active { background-color: #14532d; color: #bbf7d0; }
body.dark-mode .status-closed, body.dark-mode .status-cancelled, body.dark-mode .status-failed { background-color: #450a0a; color: #fecaca; }
body.dark-mode .status-processing { background-color: #1e3a8a; color: #bfdbfe; }

/* --- Profile Page Specific --- */
.form-input-readonly {
    background-color: var(--bg-color);
    color: var(--text-color-secondary);
    cursor: not-allowed;
    opacity: 0.7;
}

/* --- Grid helpers --- */
.profile-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .profile-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    .profile-main-column {
        grid-column: span 2 / span 2;
    }
    .profile-side-column {
        grid-column: span 1 / span 1;
    }
}

.space-y-8 > :not([hidden]) ~ :not([hidden]) { margin-top: 2rem; }
.space-y-6 > :not([hidden]) ~ :not([hidden]) { margin-top: 1.5rem; }
.space-y-4 > :not([hidden]) ~ :not([hidden]) { margin-top: 1rem; }