/* ---- CÀI ĐẶT BIẾN VÀ RESET CƠ BẢN ---- */
:root {
    --primary-color: #007bff; --primary-hover: #0056b3; --bg-color: #f4f7f9;
    --sidebar-bg: #ffffff; --card-bg: #ffffff; --text-color: #343a40;
    --light-text-color: #6c757d; --border-color: #dee2e6; --shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    --border-radius: 12px; --sidebar-width: 240px; --gold-color: #c79a3b;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Inter', sans-serif; background-color: var(--bg-color); color: var(--text-color); font-size: 14px; }

/* ======================================================= */
/* == BỐ CỤC MẶC ĐỊNH (MOBILE-FIRST) == */
/* ======================================================= */

/* ---- BỐ CỤC CHÍNH ---- */
.dashboard-layout { display: flex; height: 100vh; overflow: hidden; }
.sidebar {
    width: var(--sidebar-width); height: 100%; background-color: var(--sidebar-bg); border-right: 1px solid var(--border-color);
    display: flex; flex-direction: column; padding: 1.5rem 1rem; position: fixed; top: 0; left: 0;
    z-index: 2000; transition: transform 0.3s ease-in-out;
    transform: translateX(-100%);
}
.main-content {
    margin-left: 0; width: 100%; height: 100vh;
    display: flex; flex-direction: column;
    overflow: hidden;
}
.sidebar-logo img { height: 35px; }
.nav-link { display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem 1rem; border-radius: 8px; text-decoration: none; color: var(--light-text-color); font-weight: 500; transition: background-color 0.2s, color 0.2s; }
.nav-link.active, .nav-link:hover { background-color: #f0f3ff; color: var(--primary-color); }
.sidebar-footer { margin-top: auto; }
.logout-btn { width: 100%; background: none; border: none; cursor: pointer; font-family: 'Inter', sans-serif; font-size: 14px; display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem 1rem; color: var(--light-text-color); border-radius: 8px; transition: background-color 0.2s, color 0.2s; }
.logout-btn:hover { background-color: #fdecec; color: #dc3545; }

/* --- HEADER GỌN MỚI --- */
.main-header { display: flex; justify-content: space-between; align-items: center; padding: 1rem; flex-shrink: 0; }
.user-info { display: flex; align-items: center; gap: 0.75rem; }
.user-info .avatar { width: 44px; height: 44px; border-radius: 50%; background-color: var(--gold-color); color: white; display: grid; place-items: center; font-weight: 500; font-size: 1.2rem; overflow: hidden; }
.user-info .avatar img { width: 100%; height: 100%; object-fit: cover; }
.user-info .details { white-space: nowrap; }
.user-info .details .name { font-weight: 600; font-size: 1.1rem; }
.user-info .details .tier span { background-color: var(--gold-color); color: white; font-size: 0.7rem; font-weight: bold; padding: 2px 8px; border-radius: 10px; }

.header-right-panel { display: flex; align-items: center; gap: 1rem; }
.header-actions { display: flex; align-items: center; gap: 0.5rem; }
.header-action-btn { background: none; border: none; font-size: 1.25rem; color: var(--light-text-color); cursor: pointer; padding: 0.5rem; }

/* --- STATS BOX --- */
.user-stats-container { display: flex; gap: 0.75rem; }
.stat-box { background-color: var(--card-bg); padding: 0.75rem 1rem; border-radius: var(--border-radius); box-shadow: 0 2px 4px rgba(0,0,0,0.04); display: flex; align-items: center; gap: 0.75rem; text-decoration: none; color: var(--text-color); border: 1px solid var(--border-color); }
.stat-box i { font-size: 1rem; color: var(--gold-color); }
.stat-box .info h4 { font-size: 1rem; font-weight: 600; white-space: nowrap; }
.stat-box .info p { font-size: 0.75rem; color: var(--light-text-color); }
.user-stats-container.compact .stat-box { padding: 0.5rem 0.75rem; min-width: auto; }
.user-stats-container.compact .info p { display: none; }
.user-stats-container.compact .info h4 { font-size: 0.9rem; }
.user-stats-container.compact i { font-size: 1.2rem; margin-right: 0.25rem;}


/* --- DROPDOWN CHO THẺ HỒ SƠ --- */
.dropdown-container { position: relative; }
.stat-box.is-dropdown { cursor: pointer; transition: background-color 0.2s; }
.stat-box.is-dropdown:hover { background-color: #f8f9fa; }
.dropdown-menu { position: absolute; top: calc(100% + 5px); left: 0; width: auto; min-width: 280px; background-color: white; border: 1px solid var(--border-color); border-radius: 8px; box-shadow: 0 8px 16px rgba(0,0,0,0.1); z-index: 100; padding: 0.5rem 0; max-height: 300px; overflow-y: auto; opacity: 0; visibility: hidden; transform: translateY(-10px); transition: opacity 0.2s, transform 0.2s, visibility 0.2s; }
.dropdown-menu.show { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-item { display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem 1rem; text-decoration: none; color: var(--text-color); font-size: 0.9rem; }
.dropdown-item:hover { background-color: #f8f9fa; }
.dropdown-item .avatar { width: 24px; height: 24px; border-radius: 50%; object-fit: cover; background-color: #e7f3ff; }

/* ---- NỘI DUNG CHÍNH ---- */
.content-panel { background-color: var(--card-bg); border-radius: var(--border-radius); box-shadow: var(--shadow); margin: 0 1rem; flex-grow: 1; overflow-y: auto; display: flex; flex-direction: column; }
.panel-header { padding: 1rem; border-bottom: 1px solid var(--border-color); display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1rem; flex-shrink: 0;}
.panel-header-left { display: flex; align-items: center; gap: 1rem; }
.panel-header-left h2 { margin: 0; font-size: 1.2rem; }
.panel-header-right { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; }
.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.filters .filter-btn { background: #f0f0f0; border: none; padding: 0.4rem 0.8rem; border-radius: 20px; cursor: pointer; font-size: 0.8rem; transition: all 0.2s ease-in-out; }
.filters .filter-btn.active { background-color: var(--primary-color); color: white; }
.panel-body { padding: 1rem; }
.profile-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }

/* ---- STYLE CHO TABS ---- */
.tab-nav { display: flex; border-bottom: 1px solid var(--border-color); padding: 0 0.5rem; flex-shrink: 0; background-color: var(--card-bg); border-top-left-radius: var(--border-radius); border-top-right-radius: var(--border-radius); }
.tab-btn { background: none; border: none; padding: 1rem; cursor: pointer; font-size: 0.9rem; font-weight: 600; color: var(--light-text-color); margin-bottom: -1px; border-bottom: 2px solid transparent; transition: color 0.2s, border-color 0.2s; display: flex; align-items: center; gap: 0.5rem; }
.tab-btn:hover { color: var(--primary-color); }
.tab-btn.active { color: var(--primary-color); border-bottom-color: var(--primary-color); }
.tab-panel { display: none; }
.tab-panel.active { display: flex; flex-direction: column; flex-grow: 1; }
.tab-panel .panel-header { border-top: none; }

/* ---- CARD HỒ SƠ (DÙNG CHUNG CHO CẢ LOCATION) ---- */
.profile-card { border: 1px solid var(--border-color); border-radius: var(--border-radius); display: flex; flex-direction: column; overflow: hidden; background-color: var(--card-bg); }
.card-header { display: flex; align-items: center; padding: 1rem; gap: 1rem; }
.card-header .avatar-link { text-decoration: none; }
.card-header .avatar { width: 50px; height: 50px; border-radius: 50%; background-color: #e7f3ff; display: grid; place-items: center; color: var(--primary-color); font-size: 1.8rem; overflow: hidden; flex-shrink: 0; }
.card-header .avatar img { width: 100%; height: 100%; object-fit: cover; }
.card-header .info { flex-grow: 1; min-width: 0; }
.card-header .info .name { font-weight: 600; font-size: 1rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-header .info .type { font-size: 0.8rem; color: var(--light-text-color); text-transform: capitalize; }
.card-header .points, .card-header .stats { font-weight: 500; font-size: 0.9rem; white-space: nowrap; display: flex; align-items: flex-end; gap: 0.5rem; flex-direction: column; }
.card-header .stats .stat-item { display: flex; align-items: center; gap: 0.3rem; }
.card-header .points .fa-coins, .card-header .stats .fa-coins { color: #f0ad4e; }
.card-header .stats .fa-users { color: var(--primary-color); }
.card-body { padding: 0 1rem 1rem; flex-grow: 1; min-height: 48px; }
.card-badges { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.card-badges .badge-icon { width: 32px; height: 32px; }
.card-badges .badge-icon img, .card-badges .badge-icon i { width: 100%; height: 100%; object-fit: contain; }
.card-badges .badge-icon i { font-size: 32px; color: #f0ad4e; }
.card-badges .badge-more { font-size: 0.8rem; font-weight: 500; color: var(--light-text-color); background-color: #f0f0f0; padding: 4px 8px; border-radius: 10px; }
.card-badges .no-badge-text { font-size: 0.85rem; color: var(--light-text-color); width: 100%; padding: 0.5rem 0; }
.card-footer { border-top: 1px solid var(--border-color); padding: 0.75rem 1rem; background-color: #fcfcfc; display: flex; justify-content: flex-end; align-items: center; gap: 0.5rem; }
.card-footer .action-btn { background: none; border: 1px solid var(--border-color); color: var(--light-text-color); width: 36px; height: 36px; border-radius: 50%; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; transition: all 0.2s; text-decoration: none; }
.card-footer .action-btn:hover { background-color: #f0f0f0; color: var(--text-color); }

/* ---- FOOTER NAVIGATION (MOBILE) ---- */
.footer-nav { display: flex; position: fixed; bottom: 0; left: 0; width: 100%; background-color: var(--sidebar-bg); border-top: 1px solid var(--border-color); justify-content: space-around; padding: 0.5rem 0; z-index: 1000; flex-shrink: 0;}
.footer-link { display: flex; flex-direction: column; align-items: center; gap: 4px; text-decoration: none; color: var(--light-text-color); font-size: 0.75rem; padding: 0 0.5rem; }
.footer-link i { font-size: 1.25rem; }
.footer-link.active { color: var(--gold-color); }

/* ---- MODAL & FORM ---- */
.modal-backdrop { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.5); display: flex; align-items: center; justify-content: center; z-index: 2000; padding: 1rem; }
.modal-backdrop.hidden { display: none; }
.modal-content { background-color: white; border-radius: var(--border-radius); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1); width: 100%; max-width: 700px; max-height: 90vh; display: flex; flex-direction: column; }
.modal-content.small { max-width: 400px; }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.5rem; border-bottom: 1px solid var(--border-color); flex-shrink: 0; }
.modal-header h3 { font-size: 1.1rem; margin: 0; }
.modal-close-btn { background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--light-text-color); padding: 0; line-height: 1; }
.modal-body { padding: 1.5rem; overflow-y: auto; }
.form-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.form-group.full-width { grid-column: 1 / -1; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 500; font-size: 0.875rem; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 0.75rem; border: 1px solid #ccc; border-radius: 6px; font-size: 1rem; }
.btn { padding: 0.6rem 1.2rem; border-radius: 8px; border: none; cursor: pointer; font-weight: 500; font-size: 0.9rem; display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; transition: background-color 0.2s, box-shadow 0.2s; }
.btn-primary { background-color: var(--primary-color); color: white; }
.btn-primary:hover { background-color: var(--primary-hover); box-shadow: 0 2px 8px rgba(0, 123, 255, 0.3); }
.btn-secondary { background-color: #e9ecef; color: var(--text-color); border: 1px solid var(--border-color); }
.btn-secondary:hover { background-color: #dee2e6; }
.form-actions { display: flex; justify-content: flex-end; gap: 0.75rem; padding: 1.5rem 0 0 0; margin-top: 1.5rem; border-top: 1px solid var(--border-color); }

/* --- BỔ SUNG: STYLE RIÊNG CHO NÚT ADD NEW --- */
.btn-add-new { padding: 0.5rem; width: 36px; height: 36px; margin-left: auto; }
.btn-add-new-text { display: none; }

/* --- STYLE MỚI CHO DROPDOWN SẮP XẾP --- */
.sort-container { display: flex; align-items: center; }
.form-select { padding: 0.4rem 0.8rem; border-radius: 6px; border: 1px solid var(--border-color); background-color: #fff; font-size: 0.85rem; cursor: pointer; -webkit-appearance: none; appearance: none; background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e"); background-repeat: no-repeat; background-position: right 0.5rem center; background-size: 16px 12px; padding-right: 2rem; }

/* ======================================================= */
/* == GIAO DIỆN MÀN HÌNH LỚN HƠN (TABLET & DESKTOP) == */
/* ======================================================= */
@media (min-width: 769px) {
    .sidebar { transform: translateX(0); }
    .main-content { margin-left: var(--sidebar-width); display: block; height: 100%; overflow-y: auto; padding: 2rem; }
    .footer-nav { display: none; }
    .header-right-panel { margin-left: auto; }
    .content-panel { margin: 0; overflow-y: visible; height: auto; }
    .panel-header { flex-direction: row; align-items: center; padding: 1.5rem; flex-wrap: nowrap; }
    .panel-header-left { flex-shrink: 0; }
    .panel-header-right { margin-left: auto; }
    .panel-body { padding: 1.5rem; }
    .profile-grid { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
    .form-grid { grid-template-columns: 1fr 1fr; }
    .tab-nav { padding: 0 1.5rem; }

    .btn-add-new { width: auto; height: auto; padding: 0.6rem 1.2rem; margin-left: 0; }
    .btn-add-new-text { display: inline; }
}