/* =========================================================
   TRƯỜNG MẦM NON TÂN KHÁNH 2
   STYLE.CSS - BẢN HỢP NHẤT
   Dùng chung cho: index.html, login.html, dashboard.html
========================================================= */

/* =========================================================
   1. DESIGN TOKENS
========================================================= */
:root {
  --color-primary: #168c7b;
  --color-primary-dark: #126f63;
  --color-primary-light: #e8f6f3;

  --color-secondary: #4a90d9;
  --color-secondary-light: #edf5fc;

  --color-accent: #f5b942;

  --color-bg: #f5f9f8;
  --color-surface: #ffffff;

  --color-text: #24364b;
  --color-heading: #193b4d;
  --color-muted: #6b7a8d;
  --color-light: #94a3b8;

  --color-border: #e2ebe8;
  --color-border-strong: #d3e1dd;

  --color-success: #16865c;
  --color-danger: #d94b4b;
  --color-danger-bg: #fff3f3;
  --color-info: #357fc4;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;

  --shadow-sm: 0 2px 8px rgba(35, 68, 73, 0.05);
  --shadow-md: 0 8px 28px rgba(35, 68, 73, 0.07);
  --shadow-lg: 0 18px 50px rgba(35, 68, 73, 0.1);

  --container-width: 1200px;
  --transition: 0.2s ease;
}

/* =========================================================
   2. RESET + THIẾT LẬP CHUNG
========================================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Arial, Helvetica, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: 0;
}

img {
  display: block;
  max-width: 100%;
}

.container {
  width: min(var(--container-width), calc(100% - 40px));
  margin: 0 auto;
}

/* =========================================================
   3. BUTTON
========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition:
    background var(--transition),
    border-color var(--transition),
    color var(--transition),
    box-shadow var(--transition),
    transform var(--transition);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(22, 140, 123, 0.18);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 6px 18px rgba(22, 140, 123, 0.22);
}

.btn-outline {
  background: #ffffff;
  color: var(--color-primary);
  border-color: var(--color-border-strong);
}

.btn-outline:hover {
  background: var(--color-primary-light);
  border-color: #b9d7d1;
}

.btn-full {
  width: 100%;
}

/* =========================================================
   4. FORM DÙNG CHUNG
========================================================= */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  color: var(--color-text);
  font-size: 14px;
  font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 13px;
  color: var(--color-text);
  background: #ffffff;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  outline: none;
  transition:
    border-color var(--transition),
    box-shadow var(--transition),
    background var(--transition);
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
  border-color: #bfcfcb;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(22, 140, 123, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #9ba9b6;
}

.form-group textarea {
  resize: vertical;
}

/* =========================================================
   5. TRANG ĐĂNG NHẬP
========================================================= */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
  background:
    radial-gradient(
      circle at 15% 20%,
      rgba(22, 140, 123, 0.1),
      transparent 28%
    ),
    radial-gradient(
      circle at 85% 80%,
      rgba(74, 144, 217, 0.08),
      transparent 30%
    ),
    linear-gradient(135deg, #f2faf8, #f8fbfd);
}

.auth-container {
  width: 100%;
  max-width: 440px;
}

.login-card {
  padding: 38px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.login-header {
  margin-bottom: 30px;
  text-align: center;
}

.login-header h1 {
  margin-bottom: 8px;
  color: var(--color-heading);
  font-size: 30px;
}

.login-header p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.login-card form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.login-footer {
  margin-top: 24px;
  color: var(--color-primary);
  text-align: center;
  font-size: 14px;
}

.login-footer a {
  transition: color var(--transition);
}

.login-footer a:hover {
  color: var(--color-primary-dark);
}

.login-message {
  min-height: 24px;
  margin: 0;
  text-align: center;
  font-size: 14px;
  font-weight: 500;
}

.login-message.info {
  color: var(--color-info);
}

.login-message.success {
  color: var(--color-success);
}

.login-message.error {
  color: var(--color-danger);
}

/* =========================================================
   6. DASHBOARD - NỀN CHUNG
========================================================= */
body.auth-checking .dashboard-header,
body.auth-checking .dashboard-main {
  visibility: hidden;
}

.dashboard-header {
  position: relative;
  z-index: 10;
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--color-border);
}

.dashboard-header .container,
.dashboard-topbar {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.dashboard-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.dashboard-brand-mark {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #ffffff;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-secondary)
  );
  border-radius: 12px;
  box-shadow: 0 5px 14px rgba(22, 140, 123, 0.2);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.dashboard-brand h1,
.dashboard-header h1 {
  margin-bottom: 1px;
  color: var(--color-primary-dark);
  font-size: 20px;
}

.dashboard-brand p,
.dashboard-header p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.user-area {
  display: flex;
  align-items: center;
  gap: 14px;
}

.user-info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1.35;
}

.user-info-label {
  color: var(--color-light);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.user-info strong,
#currentUser {
  color: var(--color-text);
  font-size: 14px;
  font-weight: 600;
}

.dashboard-main {
  min-height: calc(100vh - 82px);
  padding: 36px 0 64px;
  background: linear-gradient(180deg, #f5f9f8 0%, #f8fbfa 100%);
}

.dashboard-layout {
  display: grid;
  grid-template-columns: 235px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.dashboard-sidebar {
  position: sticky;
  top: 24px;
  padding: 22px 16px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.sidebar-heading {
  padding: 0 10px 15px;
  color: var(--color-light);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.7px;
}

.dashboard-nav {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.dashboard-nav-item {
  display: flex;
  align-items: center;
  gap: 11px;
  min-height: 44px;
  padding: 10px 12px;
  color: var(--color-muted);
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  transition:
    color var(--transition),
    background var(--transition);
}

.dashboard-nav-item:hover {
  color: var(--color-primary-dark);
  background: #f3f9f7;
}

.dashboard-nav-item.active {
  color: var(--color-primary-dark);
  background: var(--color-primary-light);
}

.nav-dot {
  width: 8px;
  height: 8px;
  flex-shrink: 0;
  background: #c9d7d3;
  border-radius: 50%;
}

.dashboard-nav-item.active .nav-dot {
  background: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(22, 140, 123, 0.1);
}

.sidebar-note {
  margin-top: 22px;
  padding: 16px;
  background: linear-gradient(135deg, #f2faf8, #f7fbfc);
  border: 1px solid #e0efeb;
  border-radius: 12px;
}

.sidebar-note strong {
  display: block;
  margin-bottom: 5px;
  color: var(--color-heading);
  font-size: 13px;
}

.sidebar-note p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 12px;
  line-height: 1.55;
}

.dashboard-content {
  min-width: 0;
}

.dashboard-welcome {
  position: relative;
  min-height: 190px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  overflow: hidden;
  margin-bottom: 26px;
  padding: 34px 38px;
  background: linear-gradient(120deg, #e9f7f3 0%, #f4faf9 48%, #eef6fc 100%);
  border: 1px solid #dcebe7;
  border-radius: var(--radius-lg);
}

.welcome-content {
  position: relative;
  z-index: 2;
  max-width: 650px;
}

.welcome-label {
  display: inline-block;
  margin-bottom: 11px;
  color: var(--color-primary-dark);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.8px;
}

.dashboard-welcome h2 {
  margin-bottom: 10px;
  color: var(--color-heading);
  font-size: clamp(25px, 3vw, 34px);
  line-height: 1.2;
}

.dashboard-welcome p {
  max-width: 620px;
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 15px;
}

.welcome-decoration {
  position: absolute;
  top: 0;
  right: 0;
  width: 260px;
  height: 100%;
  pointer-events: none;
}

.welcome-decoration span {
  position: absolute;
  display: block;
  border-radius: 50%;
}

.welcome-decoration span:nth-child(1) {
  width: 170px;
  height: 170px;
  top: -55px;
  right: -20px;
  background: rgba(74, 144, 217, 0.09);
}

.welcome-decoration span:nth-child(2) {
  width: 105px;
  height: 105px;
  right: 80px;
  bottom: -40px;
  background: rgba(22, 140, 123, 0.1);
}

.welcome-decoration span:nth-child(3) {
  width: 46px;
  height: 46px;
  top: 66px;
  right: 55px;
  background: rgba(245, 185, 66, 0.17);
}

/* =========================================================
   7. DASHBOARD - CARD + FORM NHIỆM VỤ
========================================================= */
.card {
  margin-bottom: 26px;
  padding: 30px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition:
    box-shadow var(--transition),
    border-color var(--transition);
}

.card:hover {
  border-color: #d8e5e1;
  box-shadow: var(--shadow-md);
}

.dashboard-card {
  scroll-margin-top: 24px;
}

.section-header {
  margin-bottom: 26px;
}

.section-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.section-eyebrow {
  display: block;
  margin-bottom: 5px;
  color: var(--color-primary);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.7px;
}

.section-header h2 {
  margin-bottom: 5px;
  color: var(--color-heading);
  font-size: 22px;
  font-weight: 700;
}

.section-header p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.task-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 21px 24px;
}

.form-group-full,
.form-actions {
  grid-column: 1 / -1;
}

.task-message {
  min-height: 24px;
  margin: 10px 0 0;
  font-size: 14px;
  font-weight: 500;
}

.task-message.info {
  color: var(--color-info);
}

.task-message.success {
  color: var(--color-success);
}

.task-message.error {
  color: var(--color-danger);
}

/* =========================================================
   8. DASHBOARD - BẢNG NHIỆM VỤ
========================================================= */
.table-wrapper {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.dashboard-card .table-wrapper {
  margin-top: 4px;
}

.task-table {
  width: 100%;
  min-width: 820px;
  border-collapse: collapse;
  background: #ffffff;
}

.task-table th,
.task-table td {
  padding: 15px 16px;
  border-bottom: 1px solid #edf2f0;
  text-align: left;
  vertical-align: top;
}

.task-table tbody tr:last-child td {
  border-bottom: none;
}

.task-table th {
  background: #f5f9f8;
  color: #536779;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1px;
}

.task-table td {
  color: #34475a;
  font-size: 14px;
}

.task-table tbody tr {
  transition: background var(--transition);
}

.task-table tbody tr:hover {
  background: #fafcfc;
}

.empty-message {
  padding: 34px !important;
  color: var(--color-light) !important;
  text-align: center !important;
}

.task-actions {
  white-space: nowrap;
}

.btn-delete {
  min-height: 36px;
  padding: 7px 12px;
  color: var(--color-danger);
  background: var(--color-danger-bg);
  border: 1px solid #f3cccc;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition:
    background var(--transition),
    border-color var(--transition);
}

.btn-delete:hover {
  background: #ffe8e8;
  border-color: #eeb4b4;
}

.btn-delete:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* =========================================================
   9. TRANG CỔNG - INDEX.HTML
========================================================= */
.portal-home {
  min-height: 100vh;
  background: #ffffff;
}

.portal-main {
  background: #ffffff;
}

/* Banner là phần đầu tiên của trang */
.portal-banner {
  width: 100%;
  overflow: hidden;
  background: #dff5ff;
  border-bottom: 1px solid var(--color-border);
}

.portal-banner-inner {
  position: relative;
  width: 100%;
  max-width: 2000px;
  margin: 0 auto;
}

.portal-banner img {
  width: 100%;
  height: auto;
  display: block;
}

/* =========================================================
   TRẠNG THÁI ĐĂNG NHẬP TRÊN BANNER TRANG CHỦ
========================================================= */
.portal-banner {
  overflow: visible;
}

.portal-auth-area {
  position: absolute;
  right: 28px;
  bottom: 18px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.portal-auth-loading,
.portal-banner-login,
.portal-area-link,
.portal-account-button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  box-shadow: 0 8px 22px rgba(19, 72, 68, 0.18);
  backdrop-filter: blur(6px);
  font-size: 14px;
  font-weight: 700;
}

.portal-auth-loading {
  padding: 10px 18px;
  color: #45636a;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.86);
}

.portal-banner-login,
.portal-area-link {
  padding: 10px 20px;
  color: #ffffff;
  background: rgba(15, 126, 111, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.7);
  transition:
    background var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
}

.portal-banner-login:hover,
.portal-area-link:hover {
  color: #ffffff;
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(19, 72, 68, 0.28);
}

.portal-session {
  display: flex;
  align-items: center;
  gap: 10px;
}

.portal-session[hidden],
.portal-banner-login[hidden],
.portal-auth-loading[hidden],
.portal-account-menu[hidden] {
  display: none !important;
}

.portal-account-wrap {
  position: relative;
}

.portal-account-button {
  gap: 9px;
  max-width: 310px;
  padding: 7px 11px;
  color: #173f43;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.9);
  cursor: pointer;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    background var(--transition);
}

.portal-account-button:hover,
.portal-account-button[aria-expanded="true"] {
  background: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(19, 72, 68, 0.24);
}

.portal-account-avatar {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 32px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 9px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.3px;
}

.portal-account-text {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.2;
}

.portal-account-text small {
  margin-bottom: 2px;
  color: #789094;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.portal-account-text strong {
  max-width: 205px;
  overflow: hidden;
  color: #173f43;
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.portal-account-chevron {
  color: #6f8589;
  font-size: 12px;
  transition: transform var(--transition);
}

.portal-account-button[aria-expanded="true"] .portal-account-chevron {
  transform: rotate(180deg);
}

.portal-account-menu {
  position: absolute;
  right: 0;
  bottom: calc(100% + 10px);
  width: min(320px, calc(100vw - 28px));
  overflow: hidden;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  box-shadow: 0 18px 45px rgba(24, 67, 72, 0.2);
}

.portal-account-menu-info {
  display: flex;
  flex-direction: column;
  padding: 17px 18px 14px;
  border-bottom: 1px solid var(--color-border);
}

.portal-account-menu-info strong {
  margin-bottom: 3px;
  color: var(--color-heading);
  font-size: 14px;
}

.portal-account-menu-info span {
  color: var(--color-primary-dark);
  font-size: 12px;
  font-weight: 700;
}

.portal-account-menu-info small {
  margin-top: 5px;
  overflow-wrap: anywhere;
  color: var(--color-muted);
  font-size: 12px;
}

.portal-account-logout {
  width: 100%;
  min-height: 43px;
  padding: 10px 18px;
  color: var(--color-danger);
  background: #ffffff;
  text-align: left;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition);
}

.portal-account-logout:hover {
  background: var(--color-danger-bg);
}

.portal-account-logout:disabled {
  opacity: 0.65;
  cursor: wait;
}

/* Sau banner đi thẳng vào 3 chức năng, không có tiêu đề lặp */
.portal-functions {
  padding: 36px 0 52px;
  background: #ffffff;
}

.portal-function-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.portal-function-card {
  min-height: 185px;
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 28px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
}

.portal-function-card:hover {
  transform: translateY(-4px);
  border-color: #cedfda;
  box-shadow: var(--shadow-md);
}

.portal-function-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary-dark);
  background: var(--color-primary-light);
  border-radius: 14px;
  font-size: 13px;
  font-weight: 800;
}

.portal-function-icon.blue {
  color: #326fa5;
  background: var(--color-secondary-light);
}

.portal-function-icon.warm {
  color: #9a6b0b;
  background: #fff6db;
}

.portal-function-card h1,
.portal-function-card h2 {
  margin-bottom: 8px;
  color: var(--color-heading);
  font-size: 19px;
  line-height: 1.35;
}

.portal-function-card p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.7;
}

/* Footer */
.portal-footer {
  padding: 28px 0;
  color: #bad0cc;
  background: #173f43;
}

.portal-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.portal-footer-inner > div {
  display: flex;
  flex-direction: column;
}

.portal-footer strong {
  color: #ffffff;
  font-size: 13px;
}

.portal-footer span {
  margin-top: 2px;
  font-size: 12px;
}

.portal-footer p {
  margin-bottom: 0;
  font-size: 12px;
}

/* =========================================================
   10. ACCESSIBILITY
========================================================= */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(22, 140, 123, 0.18);
  outline-offset: 2px;
}

/* =========================================================
   11. RESPONSIVE - TABLET
========================================================= */
@media (max-width: 1000px) {
  .dashboard-layout {
    grid-template-columns: 1fr;
  }

  .dashboard-sidebar {
    position: static;
    padding: 14px;
  }

  .sidebar-heading,
  .sidebar-note {
    display: none;
  }

  .dashboard-nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .dashboard-nav-item {
    justify-content: center;
  }

  .portal-function-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .portal-function-card:last-child {
    grid-column: 1 / -1;
  }

 
}

@media (max-width: 900px) {
  .container {
    width: min(100% - 32px, var(--container-width));
  }

  .card {
    padding: 25px;
  }

  .task-form {
    gap: 18px;
  }
}

/* =========================================================
   12. RESPONSIVE - MOBILE
========================================================= */
@media (max-width: 700px) {
  .container {
    width: calc(100% - 28px);
  }

  .auth-page {
    padding: 18px;
  }

  .login-card {
    padding: 30px 22px;
  }

  .dashboard-header .container,
  .dashboard-topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
    padding-top: 16px;
    padding-bottom: 16px;
  }

  .dashboard-brand {
    width: 100%;
  }

  .dashboard-header .user-area,
  .user-area {
    width: 100%;
    align-items: center;
    justify-content: space-between;
    flex-direction: row;
    gap: 10px;
  }

  .user-info {
    align-items: flex-start;
  }

  .dashboard-main {
    padding: 24px 0 44px;
  }

  .dashboard-layout {
    gap: 18px;
  }

  .dashboard-nav {
    grid-template-columns: 1fr;
  }

  .dashboard-nav-item {
    justify-content: flex-start;
  }

  .dashboard-welcome {
    min-height: auto;
    padding: 28px 22px;
  }

  .welcome-decoration {
    opacity: 0.6;
  }

  .dashboard-welcome h2 {
    font-size: 25px;
  }

  .task-form {
    grid-template-columns: 1fr;
  }

  .form-group-full,
  .form-actions {
    grid-column: auto;
  }

  .card {
    margin-bottom: 18px;
    padding: 20px;
    border-radius: var(--radius-md);
  }

  .section-header {
    margin-bottom: 22px;
  }

  .section-header h2 {
    font-size: 20px;
  }

  .portal-auth-area {
    right: 12px;
    bottom: 10px;
  }

  .portal-auth-loading,
  .portal-banner-login,
  .portal-area-link,
  .portal-account-button {
    min-height: 38px;
    border-radius: 9px;
    font-size: 11px;
  }

  .portal-banner-login,
  .portal-area-link {
    padding: 7px 13px;
  }

  .portal-session {
    gap: 7px;
  }

  .portal-account-button {
    max-width: 230px;
    padding: 5px 8px;
  }

  .portal-account-avatar {
    width: 28px;
    height: 28px;
    flex-basis: 28px;
  }

  .portal-account-text small {
    display: none;
  }

  .portal-account-text strong {
    max-width: 145px;
    font-size: 11px;
  }

  .portal-functions {
    padding: 28px 0 42px;
  }

  .portal-function-grid {
    grid-template-columns: 1fr;
  }

  .portal-function-card,
  .portal-function-card:last-child {
    grid-column: auto;
    min-height: auto;
    padding: 22px;
  }

  .portal-role-section {
    padding: 52px 0;
  }

  .portal-footer-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 15px;
  }
}

/* =========================================================
   13. RESPONSIVE - MOBILE NHỎ
========================================================= */
@media (max-width: 420px) {
  .container {
    width: calc(100% - 24px);
  }

  .login-card {
    padding: 26px 18px;
  }

  .dashboard-header .user-area,
  .user-area {
    align-items: stretch;
    flex-direction: column;
  }

  .user-area .btn {
    width: 100%;
  }

  .dashboard-welcome {
    padding: 24px 18px;
  }

  .welcome-decoration {
    display: none;
  }

  .card {
    padding: 18px;
  }

  .portal-auth-area {
    right: 8px;
    bottom: 7px;
  }

  .portal-auth-loading,
  .portal-banner-login,
  .portal-area-link,
  .portal-account-button {
    min-height: 34px;
    font-size: 10px;
  }

  .portal-session {
    gap: 5px;
  }

  .portal-area-link {
    padding: 6px 9px;
  }

  .portal-account-button {
    max-width: 165px;
    padding: 4px 6px;
  }

  .portal-account-avatar {
    display: none;
  }

  .portal-account-text strong {
    max-width: 116px;
    font-size: 10px;
  }

  .portal-account-chevron {
    font-size: 10px;
  }

  .portal-function-card {
    gap: 14px;
  }

  .portal-role-item {
    align-items: flex-start;
  }
}

/* =========================================================
   14. DASHBOARD - HỆ THỐNG TAB QUẢN TRỊ
   Bổ sung cho dashboard mới, không thay đổi logic Firebase
========================================================= */
.dashboard-nav-item {
  width: 100%;
  border: 0;
  text-align: left;
  cursor: pointer;
}

.nav-icon {
  width: 29px;
  height: 29px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #71868e;
  background: #f0f5f4;
  border: 1px solid #e1ebe8;
  border-radius: 9px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.2px;
}

.dashboard-nav-item.active .nav-icon {
  color: #ffffff;
  background: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: 0 5px 12px rgba(22, 140, 123, 0.18);
}

.admin-tab-panel[hidden] {
  display: none !important;
}

.admin-tab-panel.active {
  animation: adminTabFade 0.18s ease;
}

@keyframes adminTabFade {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
  padding: 4px 2px;
}

.page-section-heading h2 {
  margin-bottom: 7px;
  color: var(--color-heading);
  font-size: clamp(25px, 3vw, 31px);
  line-height: 1.2;
}

.page-section-heading p {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 14px;
}

/* =========================================================
   15. DASHBOARD TỔNG QUAN - KHUNG GIAO DIỆN
========================================================= */
.overview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 26px;
}

.overview-card {
  min-height: 155px;
  padding: 23px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.overview-card-primary {
  background: linear-gradient(145deg, #ffffff, #f1faf7);
}

.overview-card-blue {
  background: linear-gradient(145deg, #ffffff, #f1f7fd);
}

.overview-card-warm {
  background: linear-gradient(145deg, #ffffff, #fff9e9);
}

.overview-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 20px;
}

.overview-card-label {
  color: var(--color-heading);
  font-size: 14px;
  font-weight: 700;
}

.overview-card-badge,
.status-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 27px;
  padding: 4px 9px;
  color: #688079;
  background: #f2f7f5;
  border: 1px solid #e1ebe7;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
}

.overview-card strong {
  display: block;
  margin-bottom: 5px;
  color: var(--color-heading);
  font-size: 30px;
  line-height: 1;
}

.overview-card p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 13px;
}

.dashboard-placeholder-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(260px, 0.8fr);
  gap: 18px;
}

.dashboard-placeholder-stack {
  display: grid;
  gap: 18px;
}

.dashboard-placeholder {
  min-height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  color: #8b9ca5;
  background:
    linear-gradient(135deg, rgba(22, 140, 123, 0.035), rgba(74, 144, 217, 0.04)),
    #fbfdfc;
  border: 1px dashed #ceddda;
  border-radius: 14px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
}

.dashboard-placeholder.large {
  min-height: 318px;
}

/* =========================================================
   16. CÁC ĐIỂM TRƯỜNG - KHUNG GIAO DIỆN
========================================================= */
.management-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 170px;
  gap: 12px;
  margin-bottom: 22px;
}

.management-search-placeholder,
.management-filter-placeholder {
  min-height: 43px;
  display: flex;
  align-items: center;
  padding: 10px 13px;
  color: #99a7b3;
  background: #ffffff;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  font-size: 13px;
}

.management-filter-placeholder {
  justify-content: space-between;
  color: var(--color-muted);
}

.campus-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.campus-card {
  padding: 22px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 15px;
}

.campus-card.soft {
  background: #fbfdfd;
}

.campus-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}

.campus-card-mark {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-dark);
  background: var(--color-primary-light);
  border-radius: 12px;
  font-size: 12px;
  font-weight: 800;
}

.campus-card h3 {
  margin-bottom: 7px;
  color: var(--color-heading);
  font-size: 17px;
}

.campus-card p {
  margin-bottom: 20px;
  color: var(--color-muted);
  font-size: 13px;
}

.campus-card-actions {
  display: flex;
  align-items: center;
  gap: 9px;
  padding-top: 16px;
  border-top: 1px solid #edf2f0;
}

.campus-card-actions .btn,
.campus-card-actions .btn-delete {
  min-height: 37px;
}

/* =========================================================
   17. PHẢN ÁNH VỤ VIỆC - KHUNG GIAO DIỆN
========================================================= */
.report-filter-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}

.filter-field-placeholder {
  min-height: 68px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  padding: 12px 14px;
  background: #f9fbfb;
  border: 1px solid var(--color-border);
  border-radius: 11px;
}

.filter-field-placeholder span {
  color: var(--color-light);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.filter-field-placeholder strong {
  color: var(--color-text);
  font-size: 13px;
  font-weight: 600;
}

.report-list-placeholder {
  display: grid;
  gap: 12px;
}

.report-item-placeholder {
  display: grid;
  grid-template-columns: 6px minmax(0, 1fr);
  gap: 16px;
  padding: 18px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 13px;
}

.report-item-status {
  width: 6px;
  min-height: 100%;
  border-radius: 999px;
}

.report-item-status-warm {
  background: var(--color-accent);
}

.report-item-status-blue {
  background: var(--color-secondary);
}

.report-item-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 7px;
  color: var(--color-light);
  font-size: 11px;
}

.report-item-placeholder h3 {
  margin-bottom: 6px;
  color: var(--color-heading);
  font-size: 15px;
}

.report-item-placeholder p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 13px;
}

/* =========================================================
   18. RESPONSIVE CHO HỆ THỐNG TAB QUẢN TRỊ
========================================================= */
@media (max-width: 1000px) {
  .dashboard-nav {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .dashboard-nav-item {
    justify-content: center;
    text-align: center;
  }

  .overview-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .overview-card:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 800px) {
  .dashboard-placeholder-grid,
  .campus-grid,
  .report-filter-grid {
    grid-template-columns: 1fr;
  }

  .dashboard-placeholder.large {
    min-height: 220px;
  }

  .management-toolbar {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .dashboard-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .dashboard-nav-item {
    justify-content: flex-start;
    text-align: left;
  }

  .page-section-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .page-section-heading .btn {
    width: 100%;
  }

  .overview-grid {
    grid-template-columns: 1fr;
  }

  .overview-card:last-child {
    grid-column: auto;
  }

  .report-item-meta {
    align-items: flex-start;
    flex-direction: column;
    gap: 2px;
  }
}

@media (max-width: 420px) {
  .dashboard-nav {
    grid-template-columns: 1fr;
  }

  .nav-icon {
    width: 27px;
    height: 27px;
  }
}

/* =========================================================
   19. ĐIỂM TRƯỜNG - CRUD FIRESTORE
   Quản lý tên điểm trường
========================================================= */
.campus-editor-card[hidden] {
  display: none !important;
}

.campus-editor-card {
  margin-bottom: 24px;
  border-color: #cfe6e1;
  box-shadow: 0 10px 30px rgba(35, 68, 73, 0.07);
}

.campus-editor-header {
  margin-bottom: 20px;
}

.campus-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px 18px;
  align-items: end;
}

.campus-form-name {
  min-width: 0;
}

.campus-form-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.campus-message {
  grid-column: 1 / -1;
  min-height: 22px;
  margin: 0;
  font-size: 13px;
  font-weight: 600;
}

.campus-message.info {
  color: var(--color-info);
}

.campus-message.success {
  color: var(--color-success);
}

.campus-message.error {
  color: var(--color-danger);
}

.campus-toolbar {
  grid-template-columns: minmax(0, 1fr) 120px;
  align-items: end;
}

.campus-search-group {
  gap: 0;
}

.campus-search-group input {
  min-height: 43px;
}

.campus-total {
  min-height: 43px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 12px;
  color: var(--color-muted);
  background: #f8fbfa;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 12px;
}

.campus-total strong {
  color: var(--color-primary-dark);
  font-size: 18px;
  line-height: 1;
}

.campus-state-message {
  grid-column: 1 / -1;
  padding: 40px 20px;
  color: var(--color-light);
  background: #fbfdfd;
  border: 1px dashed var(--color-border-strong);
  border-radius: 14px;
  text-align: center;
  font-size: 13px;
}

.campus-state-message.error {
  color: var(--color-danger);
  background: var(--color-danger-bg);
  border-color: #f1caca;
}

.campus-card {
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.campus-card:hover {
  transform: translateY(-2px);
  border-color: #cfe0dc;
  box-shadow: var(--shadow-sm);
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

@media (max-width: 800px) {
  .campus-form {
    grid-template-columns: 1fr;
  }

  .campus-form-actions {
    align-items: stretch;
    flex-wrap: wrap;
  }

  .campus-form-actions .btn {
    flex: 1 1 160px;
  }

  .campus-toolbar {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .campus-form-actions {
    flex-direction: column;
  }

  .campus-form-actions .btn {
    width: 100%;
    flex: none;
  }
}

/* =========================================================
   20. BƯỚC 2 - HEADER + KHU VỰC QUẢN LÝ ĐIỂM TRƯỜNG
========================================================= */
.dashboard-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.dashboard-home-button {
  gap: 7px;
  color: var(--color-text);
}

.btn-soft {
  min-height: 37px;
  padding: 8px 14px;
  color: var(--color-primary-dark);
  background: var(--color-primary-light);
  border: 1px solid #cbe5df;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition:
    background var(--transition),
    border-color var(--transition),
    transform var(--transition);
}

.btn-soft:hover {
  background: #dcf1ec;
  border-color: #b7dcd3;
  transform: translateY(-1px);
}

.campus-detail-card[hidden] {
  display: none !important;
}

.campus-detail-card {
  margin-bottom: 24px;
  border-color: #cfe4df;
  box-shadow: 0 12px 34px rgba(35, 68, 73, 0.07);
}

.campus-detail-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 22px;
  margin-bottom: 22px;
}

.campus-detail-heading h2 {
  margin-bottom: 6px;
  color: var(--color-heading);
  font-size: 24px;
}

.campus-detail-heading p {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.campus-detail-account {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 15px;
  align-items: start;
  margin-bottom: 20px;
  padding: 18px;
  background: linear-gradient(135deg, #f1faf7, #f8fcfb);
  border: 1px solid #d9ece7;
  border-radius: 14px;
}

.campus-detail-account-icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-dark);
  background: #ffffff;
  border: 1px solid #d7e9e4;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 800;
}

.campus-detail-account span {
  display: block;
  margin-bottom: 2px;
  color: var(--color-light);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.campus-detail-account strong {
  display: block;
  margin-bottom: 4px;
  color: var(--color-heading);
  font-size: 16px;
}

.campus-detail-account p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 13px;
}

.campus-module-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.campus-module-card {
  min-height: 160px;
  display: flex;
  flex-direction: column;
  padding: 17px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 13px;
}

.campus-module-index {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  color: var(--color-primary-dark);
  background: var(--color-primary-light);
  border-radius: 9px;
  font-size: 10px;
  font-weight: 800;
}

.campus-module-card h3 {
  margin-bottom: 5px;
  color: var(--color-heading);
  font-size: 14px;
}

.campus-module-card p {
  margin-bottom: 14px;
  color: var(--color-muted);
  font-size: 12px;
  line-height: 1.55;
}

.campus-module-status {
  margin-top: auto;
  color: var(--color-light);
  font-size: 10px;
  font-weight: 700;
}

/* =========================================================
   21. HỘP THOẠI + THÔNG BÁO DÙNG CHUNG
========================================================= */
body.dialog-open {
  overflow: hidden;
}

.admin-dialog-backdrop[hidden] {
  display: none !important;
}

.admin-dialog-backdrop {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px;
  background: rgba(22, 42, 49, 0.42);
  backdrop-filter: blur(4px);
  animation: adminBackdropIn 0.18s ease;
}

.admin-dialog {
  width: min(100%, 470px);
  padding: 26px;
  background: #ffffff;
  border: 1px solid rgba(214, 228, 224, 0.95);
  border-radius: 20px;
  box-shadow: 0 24px 70px rgba(24, 58, 62, 0.2);
  animation: adminDialogIn 0.2s ease;
}

.admin-dialog-icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 17px;
  color: var(--color-primary-dark);
  background: var(--color-primary-light);
  border-radius: 14px;
  font-size: 20px;
  font-weight: 800;
}

.admin-dialog[data-tone="danger"] .admin-dialog-icon {
  color: #b63c3c;
  background: #fff0f0;
}

.admin-dialog-content h2 {
  margin-bottom: 8px;
  color: var(--color-heading);
  font-size: 21px;
  line-height: 1.3;
}

.admin-dialog-content > p {
  margin-bottom: 0;
  color: var(--color-text);
  font-size: 14px;
}

.admin-dialog-detail {
  margin-top: 9px !important;
  color: var(--color-muted) !important;
  font-size: 13px !important;
  line-height: 1.6;
}

.admin-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid #edf2f0;
}

.admin-dialog-confirm {
  min-height: 44px;
  padding: 10px 18px;
  color: #ffffff;
  background: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.admin-dialog[data-tone="danger"] .admin-dialog-confirm {
  background: var(--color-danger);
  border-color: var(--color-danger);
}

.admin-dialog[data-tone="danger"] .admin-dialog-confirm:hover {
  background: #c94242;
}

.admin-toast-region {
  position: fixed;
  top: 96px;
  right: 24px;
  z-index: 2100;
  width: min(380px, calc(100vw - 32px));
  display: grid;
  gap: 10px;
  pointer-events: none;
}

.admin-toast {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 11px;
  align-items: center;
  padding: 13px 15px;
  opacity: 0;
  transform: translateY(-8px);
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid var(--color-border);
  border-radius: 13px;
  box-shadow: 0 14px 34px rgba(29, 64, 67, 0.14);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.admin-toast.show {
  opacity: 1;
  transform: translateY(0);
}

.admin-toast-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-dark);
  background: var(--color-primary-light);
  border-radius: 9px;
  font-size: 13px;
  font-weight: 800;
}

.admin-toast.error .admin-toast-icon {
  color: #b63c3c;
  background: #fff0f0;
}

.admin-toast.info .admin-toast-icon {
  color: #2f6f9d;
  background: #edf5fc;
}

.admin-toast-text {
  font-size: 13px;
  font-weight: 650;
  line-height: 1.45;
}

@keyframes adminBackdropIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes adminDialogIn {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 1000px) {
  .campus-module-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .dashboard-header-actions {
    width: 100%;
  }

  .dashboard-header-actions .btn {
    flex: 1 1 0;
  }

  .campus-detail-heading {
    flex-direction: column;
  }

  .campus-detail-heading .btn {
    width: 100%;
  }

  .campus-module-grid {
    grid-template-columns: 1fr;
  }

  .admin-toast-region {
    top: 14px;
    right: 16px;
    left: 16px;
    width: auto;
  }
}

@media (max-width: 480px) {
  .dashboard-header-actions {
    flex-direction: column;
  }

  .dashboard-header-actions .btn {
    width: 100%;
  }

  .admin-dialog {
    padding: 22px 18px;
    border-radius: 16px;
  }

  .admin-dialog-actions {
    flex-direction: column-reverse;
  }

  .admin-dialog-actions .btn,
  .admin-dialog-confirm {
    width: 100%;
  }
}

/* =========================================================
   22. BƯỚC 3 - TÀI KHOẢN ĐIỂM TRƯỜNG
========================================================= */
.campus-account-panel {
  margin-bottom: 20px;
  padding: 20px;
  background: linear-gradient(135deg, #f1faf7, #f8fcfb);
  border: 1px solid #d9ece7;
  border-radius: 15px;
}

.campus-account-summary {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 15px;
  align-items: start;
}

.campus-account-summary-content {
  min-width: 0;
}

.campus-account-label {
  display: block;
  margin-bottom: 3px;
  color: var(--color-light);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.campus-account-title-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 5px;
}

.campus-account-title-row strong {
  color: var(--color-heading);
  font-size: 17px;
}

.campus-account-summary-content > p {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 13px;
}

.campus-account-status {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 800;
}

.campus-account-status.pending {
  color: #866411;
  background: #fff6db;
  border: 1px solid #f4df9f;
}

.campus-account-status.active {
  color: var(--color-primary-dark);
  background: var(--color-primary-light);
  border: 1px solid #c9e5de;
}

.campus-account-status.inactive,
.campus-account-status.error {
  color: #b63c3c;
  background: #fff0f0;
  border: 1px solid #f1cccc;
}

.campus-account-existing[hidden],
.campus-account-form[hidden] {
  display: none !important;
}

.campus-account-existing,
.campus-account-form {
  margin-top: 18px;
  margin-left: 61px;
  padding-top: 18px;
  border-top: 1px solid #dcebe7;
}

.campus-account-info-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(160px, 0.6fr);
  gap: 12px;
}

.campus-account-info-item {
  min-width: 0;
  padding: 13px 14px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--color-border);
  border-radius: 11px;
}

.campus-account-info-item span {
  display: block;
  margin-bottom: 3px;
  color: var(--color-light);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.campus-account-info-item strong {
  display: block;
  overflow-wrap: anywhere;
  color: var(--color-text);
  font-size: 13px;
}

.campus-account-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 13px;
}

.campus-account-note,
.campus-account-helper {
  margin: 12px 0 0;
  color: var(--color-muted);
  font-size: 12px;
  line-height: 1.6;
}

.campus-account-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px 14px;
  align-items: end;
}

.campus-account-form-actions {
  display: flex;
  align-items: center;
}

.campus-account-helper,
.campus-account-message {
  grid-column: 1 / -1;
}

.campus-account-message {
  min-height: 20px;
  margin: 0;
  font-size: 12px;
  font-weight: 650;
}

.campus-account-message.info {
  color: var(--color-info);
}

.campus-account-message.success {
  color: var(--color-success);
}

.campus-account-message.error {
  color: var(--color-danger);
}

@media (max-width: 700px) {
  .campus-account-existing,
  .campus-account-form {
    margin-left: 0;
  }

  .campus-account-info-grid,
  .campus-account-form {
    grid-template-columns: 1fr;
  }

  .campus-account-form-actions .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .campus-account-panel {
    padding: 17px;
  }

  .campus-account-summary {
    grid-template-columns: 1fr;
  }

  .campus-account-title-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .campus-account-actions .btn {
    width: 100%;
  }
}

/* =========================================================
   18. TÀI KHOẢN ĐIỂM TRƯỜNG - CHẾ ĐỘ HIỂN THỊ
========================================================= */
.campus-account-info-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.account-uid-value {
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* =========================================================
   19. KHU VỰC ĐIỂM TRƯỜNG - CAMPUS.HTML
========================================================= */
.campus-page {
  min-height: 100vh;
}

body.auth-checking .campus-header,
body.auth-checking .campus-main {
  visibility: hidden;
}

.campus-layout {
  grid-template-columns: 245px minmax(0, 1fr);
}

.campus-sidebar-name {
  margin: 0 8px 16px;
  padding: 13px 14px;
  color: var(--color-heading);
  background: #f4faf8;
  border: 1px solid #dcebe7;
  border-radius: 11px;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.45;
}

.campus-nav .dashboard-nav-item {
  width: 100%;
  border: 0;
  text-align: left;
  cursor: pointer;
  font: inherit;
}

.campus-nav-number {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #738896;
  background: #eff5f3;
  border: 1px solid #dce8e5;
  border-radius: 8px;
  font-size: 10px;
  font-weight: 800;
}

.campus-nav .dashboard-nav-item.active .campus-nav-number {
  color: #ffffff;
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.campus-tab-panel[hidden] {
  display: none !important;
}

.campus-welcome {
  margin-bottom: 24px;
}

.campus-home-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.campus-home-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  min-height: 150px;
  padding: 24px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.campus-home-index {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary-dark);
  background: var(--color-primary-light);
  border-radius: 12px;
  font-size: 12px;
  font-weight: 800;
}

.campus-home-card h3 {
  margin-bottom: 6px;
  color: var(--color-heading);
  font-size: 17px;
}

.campus-home-card p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.campus-coming-card {
  min-height: 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.campus-coming-card strong {
  margin-bottom: 8px;
  color: var(--color-heading);
  font-size: 18px;
}

.campus-coming-card p {
  max-width: 620px;
  margin-bottom: 0;
  color: var(--color-muted);
}

@media (max-width: 1000px) {
  .campus-layout {
    grid-template-columns: 1fr;
  }

  .campus-sidebar-name {
    margin: 0 0 12px;
  }

  .campus-nav {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .campus-nav .dashboard-nav-item {
    justify-content: center;
    text-align: center;
  }

  .campus-account-info-grid-3 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .campus-home-grid {
    grid-template-columns: 1fr;
  }

  .campus-nav {
    grid-template-columns: 1fr 1fr;
  }

  .campus-nav .dashboard-nav-item:last-child {
    grid-column: 1 / -1;
  }

  .campus-account-info-grid-3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .campus-nav {
    grid-template-columns: 1fr;
  }

  .campus-nav .dashboard-nav-item:last-child {
    grid-column: auto;
  }

  .campus-home-card {
    padding: 20px;
  }
}