/* ============================================================
   Lịch công tác – Bệnh viện Thống Nhất
   ============================================================ */

:root {
  --primary:       #1a6faf;
  --primary-dark:  #145a8f;
  --primary-light: #e8f2fb;
  --success:       #2e7d32;
  --success-bg:    #e8f5e9;
  --warning:       #e65100;
  --warning-bg:    #fff3e0;
  --danger:        #c62828;
  --danger-bg:     #ffebee;
  --purple:        #5c35aa;
  --purple-bg:     #ede7f6;
  --secondary:     #546e7a;
  --secondary-bg:  #eceff1;
  --text:          #212121;
  --text-muted:    #616161;
  --border:        #dde1e7;
  --bg:            #f4f6f9;
  --white:         #ffffff;
  --sidebar-w:     240px;
  --topbar-h:      56px;
  --radius:        8px;
  --shadow:        0 1px 4px rgba(0,0,0,.08);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== Layout ===== */
.app-wrapper { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: var(--sidebar-w);
  background: var(--white);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0;
  height: 100vh; z-index: 100;
  overflow-y: auto;
}
.sidebar-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 16px; border-bottom: 1px solid var(--border);
}
.sidebar-brand .logo-circle {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 15px; flex-shrink: 0;
}
.sidebar-brand .brand-name { font-weight: 600; font-size: 13px; }
.sidebar-brand .brand-sub  { font-size: 11px; color: var(--text-muted); }

.sidebar-user {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--primary-light);
}
.sidebar-user .user-name { font-weight: 600; font-size: 13px; }
.sidebar-user .user-role { font-size: 11px; color: var(--primary-dark); margin-top: 2px; }
.sidebar-user .user-dept { font-size: 11px; color: var(--text-muted); }

/* Badge vai trò trên sidebar */
.role-badge {
  display: inline-block; padding: 1px 8px;
  border-radius: 10px; font-size: 10px; font-weight: 600;
  margin-top: 4px;
}
.role-badge.khoa  { background: var(--primary-light); color: var(--primary-dark); }
.role-badge.khth  { background: var(--purple-bg);     color: var(--purple); }
.role-badge.bgd   { background: #fff3e0;              color: #bf360c; }
.role-badge.admin { background: #fce4ec;              color: #880e4f; }

.sidebar-nav { flex: 1; padding: 8px 0; }
.nav-section-label {
  font-size: 10px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .8px;
  color: var(--text-muted);
  padding: 14px 16px 4px;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 16px; color: var(--text);
  font-size: 13.5px; cursor: pointer;
  border: none; background: none;
  width: 100%; text-align: left;
  transition: background .15s;
}
.nav-item:hover { background: var(--primary-light); color: var(--primary-dark); text-decoration: none; }
.nav-item.active {
  background: var(--primary-light); color: var(--primary-dark);
  font-weight: 600; border-left: 3px solid var(--primary); padding-left: 13px;
}
.nav-item .nav-icon { width: 18px; text-align: center; font-size: 15px; }
.nav-item .nav-badge {
  margin-left: auto; background: var(--danger); color: #fff;
  border-radius: 10px; font-size: 11px; font-weight: 600;
  padding: 1px 7px; min-width: 20px; text-align: center;
}
.sidebar-footer {
  padding: 12px 16px; border-top: 1px solid var(--border);
}
.sidebar-footer a {
  display: flex; align-items: center; gap: 8px;
  color: var(--text-muted); font-size: 13px;
}
.sidebar-footer a:hover { color: var(--danger); text-decoration: none; }

/* Main area */
.main-area { margin-left: var(--sidebar-w); flex: 1; display: flex; flex-direction: column; }

/* Topbar */
.topbar {
  height: var(--topbar-h); background: var(--white);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; padding: 0 24px;
  position: sticky; top: 0; z-index: 90; gap: 16px;
}
.topbar-title { font-size: 16px; font-weight: 600; flex: 1; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }

.content { padding: 24px; flex: 1; }

/* ===== Cards ===== */
.card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 20px;
}
.card-header {
  padding: 14px 18px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
  font-weight: 600; font-size: 14px;
}
.card-body { padding: 18px; }

/* Stat cards */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px; margin-bottom: 20px;
}
.stat-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; text-align: center;
  border-top: 3px solid var(--border);
}
.stat-card .stat-num   { font-size: 30px; font-weight: 700; line-height: 1; }
.stat-card .stat-label { font-size: 12px; color: var(--text-muted); margin-top: 6px; }
.stat-card.blue   { border-top-color: var(--primary);  } .stat-card.blue   .stat-num { color: var(--primary);  }
.stat-card.green  { border-top-color: var(--success);  } .stat-card.green  .stat-num { color: var(--success);  }
.stat-card.orange { border-top-color: var(--warning);  } .stat-card.orange .stat-num { color: var(--warning);  }
.stat-card.red    { border-top-color: var(--danger);   } .stat-card.red    .stat-num { color: var(--danger);   }
.stat-card.purple { border-top-color: var(--purple);   } .stat-card.purple .stat-num { color: var(--purple);   }
.stat-card.gray   { border-top-color: var(--secondary);} .stat-card.gray   .stat-num { color: var(--secondary);}

/* ===== Tables ===== */
.table-wrap { overflow-x: auto; }
table.data-table { width: 100%; border-collapse: collapse; }
table.data-table th {
  background: #f8f9fa; font-weight: 600; font-size: 12px;
  text-transform: uppercase; letter-spacing: .5px; color: var(--text-muted);
  padding: 10px 12px; border-bottom: 2px solid var(--border);
  white-space: nowrap; text-align: left;
}
table.data-table td {
  padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle;
}
table.data-table tr:last-child td { border-bottom: none; }
table.data-table tbody tr:hover   { background: #fafbfc; }

/* ===== Badges ===== */
.badge {
  display: inline-block; padding: 2px 10px;
  border-radius: 12px; font-size: 12px; font-weight: 600;
}
.badge-secondary { background: var(--secondary-bg); color: var(--secondary); }
.badge-warning   { background: var(--warning-bg);   color: var(--warning);   }
.badge-success   { background: var(--success-bg);   color: var(--success);   }
.badge-danger    { background: var(--danger-bg);    color: var(--danger);    }
.badge-primary   { background: var(--primary-light);color: var(--primary-dark); }
.badge-purple    { background: var(--purple-bg);    color: var(--purple);    }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 16px; border-radius: 6px;
  font-size: 13.5px; font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer; transition: opacity .15s;
  text-decoration: none; white-space: nowrap;
}
.btn:hover { opacity: .85; text-decoration: none; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary   { background: var(--primary);   color: #fff; }
.btn-success   { background: var(--success);   color: #fff; }
.btn-danger    { background: var(--danger);    color: #fff; }
.btn-warning   { background: var(--warning);   color: #fff; }
.btn-secondary { background: var(--white);     color: var(--text); border-color: var(--border); }
.btn-purple    { background: var(--purple);    color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-block { width: 100%; justify-content: center; }

/* ===== Forms ===== */
.form-group  { margin-bottom: 16px; }
.form-label  { display: block; font-weight: 500; margin-bottom: 5px; font-size: 13px; }
.form-label .req { color: var(--danger); }
.form-control {
  display: block; width: 100%; padding: 8px 11px;
  border: 1px solid var(--border); border-radius: 6px;
  font-size: 14px; font-family: inherit;
  background: var(--white); color: var(--text);
  transition: border-color .15s, box-shadow .15s;
}
.form-control:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,111,175,.15);
}
.form-control[readonly]  { background: #f8f9fa; color: var(--text-muted); }
.form-control[disabled]  { background: #f8f9fa; color: var(--text-muted); cursor: not-allowed; }
textarea.form-control    { resize: vertical; min-height: 80px; }
select.form-control      { cursor: pointer; }
.form-row { display: flex; gap: 16px; flex-wrap: wrap; }
.form-row .form-group { flex: 1; min-width: 150px; }
.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 3px; }

/* ===== Alerts ===== */
.alert {
  padding: 10px 14px; border-radius: 6px;
  border-left: 4px solid; margin-bottom: 16px; font-size: 13.5px;
}
.alert-danger  { background: var(--danger-bg);    border-color: var(--danger);  color: var(--danger);       }
.alert-success { background: var(--success-bg);   border-color: var(--success); color: var(--success);      }
.alert-warning { background: var(--warning-bg);   border-color: var(--warning); color: var(--warning);      }
.alert-info    { background: var(--primary-light);border-color: var(--primary); color: var(--primary-dark); }

/* ===== Login page ===== */
.login-page {
  min-height: 100vh; display: flex;
  align-items: center; justify-content: center;
  background: linear-gradient(135deg, #1a6faf 0%, #0d4f82 100%);
}
.login-card {
  background: var(--white); border-radius: 12px;
  padding: 36px 32px; width: 100%; max-width: 400px;
  box-shadow: 0 8px 32px rgba(0,0,0,.2);
}
.login-logo { text-align: center; margin-bottom: 24px; }
.login-logo .hospital-icon {
  width: 64px; height: 64px; background: var(--primary);
  border-radius: 50%; display: flex; align-items: center;
  justify-content: center; margin: 0 auto 12px; font-size: 30px; color: #fff;
}
.login-logo h1 { font-size: 18px; font-weight: 700; }
.login-logo p  { font-size: 13px; color: var(--text-muted); margin-top: 3px; }

/* ===== Modal ===== */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.45);
  display: none; align-items: center; justify-content: center; z-index: 500;
}
.modal-overlay.open { display: flex; }
.modal-box {
  background: var(--white); border-radius: var(--radius);
  width: 100%; max-width: 580px; max-height: 92vh; overflow-y: auto;
  box-shadow: 0 8px 32px rgba(0,0,0,.22);
}
.modal-box.modal-lg { max-width: 720px; }
.modal-header {
  padding: 14px 18px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; font-weight: 600;
}
.modal-body   { padding: 18px; }
.modal-footer {
  padding: 12px 18px; border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 8px;
}
.btn-close { background: none; border: none; cursor: pointer; font-size: 22px; color: var(--text-muted); }
.btn-close:hover { color: var(--danger); }

/* ===== Filters bar ===== */
.filters-bar {
  display: flex; gap: 10px; flex-wrap: wrap;
  align-items: flex-end; margin-bottom: 16px;
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px 16px;
}
.filters-bar .form-group { margin-bottom: 0; }

/* ===== Misc utils ===== */
.text-muted   { color: var(--text-muted) !important; }
.text-center  { text-align: center; }
.text-right   { text-align: right; }
.fw-600       { font-weight: 600; }
.d-flex       { display: flex; }
.align-center { align-items: center; }
.gap-8        { gap: 8px; }
.gap-12       { gap: 12px; }
.gap-16       { gap: 16px; }
.flex-1       { flex: 1; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-0  { margin-bottom: 0; }
.ml-auto { margin-left: auto; }

.empty-state { text-align: center; padding: 48px 20px; color: var(--text-muted); }
.empty-state .empty-icon { font-size: 44px; margin-bottom: 12px; }

.divider { border: none; border-top: 1px solid var(--border); margin: 16px 0; }

/* Trạng thái lịch — màu nền dòng */
tr.row-cho-duyet { background: #fff8e1 !important; }
tr.row-tu-choi   { background: #fff5f5 !important; }
tr.row-da-duyet  { background: #f0fff4 !important; }

/* ============================================================
   RESPONSIVE — Mobile & Tablet
   Breakpoints: tablet ≤ 768px | mobile ≤ 480px
   ============================================================ */

/* ── Hamburger button (ẩn trên desktop) ── */
.btn-hamburger {
  display: none;
  background: none; border: none; cursor: pointer;
  padding: 6px; border-radius: 6px;
  color: var(--text); font-size: 22px; line-height: 1;
  flex-shrink: 0;
}
.btn-hamburger:hover { background: var(--secondary-bg); }

/* Overlay che nền khi sidebar mở trên mobile */
.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 99;
}
.sidebar-overlay.open { display: block; }

/* ── TABLET ≤ 768px ── */
@media (max-width: 768px) {

  /* Sidebar trượt vào từ trái */
  .sidebar {
    transform: translateX(-100%);
    transition: transform .25s ease;
    z-index: 200;
    width: 260px;
  }
  .sidebar.open { transform: translateX(0); }

  /* Main area chiếm toàn bộ */
  .main-area { margin-left: 0; }

  /* Topbar: hiện hamburger */
  .topbar { padding: 0 14px; }
  .btn-hamburger { display: flex; }
  .topbar-title { font-size: 14px; }

  /* Content padding nhỏ hơn */
  .content { padding: 14px; }

  /* Stat grid: 2 cột */
  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stat-card .stat-num { font-size: 24px; }

  /* Card header wrap */
  .card-header { flex-wrap: wrap; gap: 8px; font-size: 13px; padding: 11px 14px; }

  /* Bảng: scroll ngang */
  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  table.data-table th, table.data-table td { padding: 8px 10px; font-size: 13px; }

  /* Form row stack */
  .form-row { flex-direction: column; gap: 0; }
  .form-row .form-group { min-width: 100%; }

  /* Filter bar stack */
  .filters-bar { flex-direction: column; align-items: stretch; padding: 10px 12px; }
  .filters-bar .form-group { margin-bottom: 8px; }
  .filters-bar .d-flex { flex-wrap: wrap; }

  /* Modal full width */
  .modal-box { max-width: 100%; margin: 8px; max-height: 95vh; }

  /* Login card */
  .login-card { padding: 24px 18px; margin: 12px; }

  /* Nút hành động trong topbar detail */
  .topbar-actions { gap: 6px; }

  /* ml-auto không push quá xa */
  .card-header .ml-auto { margin-left: auto; }

  /* Ẩn text, chỉ hiện icon ở btn-sm trên bảng */
  .table-wrap .btn-sm { padding: 4px 8px; font-size: 11px; }
}

/* ── MOBILE ≤ 480px ── */
@media (max-width: 480px) {

  /* Sidebar full width */
  .sidebar { width: 80vw; max-width: 280px; }

  /* Content padding tối thiểu */
  .content { padding: 10px; }

  /* Stat grid: 2 cột nhỏ hơn */
  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; margin-bottom: 14px; }
  .stat-card { padding: 12px 8px; }
  .stat-card .stat-num   { font-size: 22px; }
  .stat-card .stat-label { font-size: 10px; }

  /* Card */
  .card { margin-bottom: 12px; }
  .card-body { padding: 12px; }
  .card-header { padding: 10px 12px; font-size: 13px; }

  /* Topbar */
  .topbar { height: 48px; padding: 0 10px; gap: 8px; }
  .topbar-title { font-size: 13px; }

  /* Form */
  .form-control { font-size: 16px; } /* tránh zoom trên iOS */
  .form-label   { font-size: 13px; }

  /* Buttons trong card-header */
  .card-header .btn { font-size: 11px; padding: 4px 8px; }
  .card-header .btn-sm { font-size: 11px; padding: 3px 7px; }

  /* Alert */
  .alert { font-size: 13px; padding: 9px 12px; }

  /* Bảng: ẩn cột ít quan trọng */
  .hide-mobile { display: none !important; }

  /* Stat grid dạng 1 cột nếu quá hẹp */
  @media (max-width: 360px) {
    .stat-grid { grid-template-columns: 1fr 1fr; }
  }

  /* Filters: mỗi select full width */
  .filters-bar select,
  .filters-bar input[type="date"] { width: 100%; }

  /* Login */
  .login-card { padding: 20px 14px; }
  .login-logo h1 { font-size: 16px; }
  .login-logo .hospital-icon { width: 52px; height: 52px; font-size: 24px; }

  /* Form tạo lịch: stack 2 cột */
  .d-flex[style*="align-items:flex-start"] { flex-direction: column !important; }
  [style*="width:320px"] { width: 100% !important; }

  /* Mục lịch */
  .muc-body { padding: 10px; }
  .nguoi-checkboxes { gap: 6px; }
  .checkbox-item { font-size: 12px; padding: 4px 8px; }

  /* File viewer modal */
  #fv-box { width: 100vw !important; height: 100vh !important;
            max-width: 100% !important; border-radius: 0 !important; }
  #fv-header { padding: 8px 10px; }
  #fv-name { font-size: 12px; }
}

/* ── Touch: tăng vùng tap ── */
@media (hover: none) and (pointer: coarse) {
  .btn     { min-height: 40px; }
  .btn-sm  { min-height: 34px; }
  .nav-item { padding: 12px 16px; }
  .form-control { padding: 10px 12px; }
  .checkbox-item { padding: 8px 12px; }
}



/* ── Nhân sự chủ chốt: cao hơn, scroll ẩn thanh cuộn ── */
.nhan-su-chu-chot-body {
  max-height: 340px;
  overflow-y: auto;
  padding-right: 18px;
  scrollbar-width: none;      /* Firefox */
  -ms-overflow-style: none;   /* IE/Edge cũ */
}
.nhan-su-chu-chot-body::-webkit-scrollbar {
  width: 0;
  height: 0;
  display: none;
}
.nhan-su-chu-chot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

@media (max-width: 768px) {
  .nhan-su-chu-chot-body {
    max-height: 430px;
    padding-right: 12px;
  }
  .nhan-su-chu-chot-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 12px;
  }
}

@media (max-width: 480px) {
  .nhan-su-chu-chot-body {
    max-height: 460px;
    padding-right: 12px;
  }
  .nhan-su-chu-chot-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}