/* ============================================================
   AAIC Auth v2 — styles-auth.css
   Covers: navbar auth pill, login/signup pages, dashboard,
           popup overlays, form elements
   ============================================================ */

/* ── Utility ─────────────────────────────────────────────── */
.hidden { display: none !important; }

/* ── Auth Page Background ────────────────────────────────── */
.auth-page {
  min-height: calc(100vh - 60px);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--valley) 0%, var(--globe) 100%);
  padding: 2rem;
}

/* ── Auth Card (white centered box) ──────────────────────── */
.auth-card {
  background: var(--white);
  border-radius: 16px;
  padding: 3rem 2.5rem;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  text-align: center;
}

.auth-logo {
  width: 80px;
  height: auto;
  margin: 0 auto 1.5rem;
  display: block;
}

.auth-card h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--smokey);
  margin: 0 0 0.5rem;
}

.auth-subtitle {
  color: var(--rock);
  font-size: 0.95rem;
  margin: 0 0 1.5rem;
}

/* ── Form Elements ───────────────────────────────────────── */
.auth-card form {
  text-align: left;
}

.auth-card label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--smokey);
  margin-bottom: 0.4rem;
  margin-top: 1rem;
}

.auth-card label:first-of-type {
  margin-top: 0;
}

.auth-card input[type="text"],
.auth-card input[type="email"],
.auth-card input[type="password"],
.auth-card input[type="number"],
.auth-card input[type="file"],
.auth-card select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid #e0e0e0;
  border-radius: 10px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.3s ease;
  box-sizing: border-box;
  background: var(--white);
}

.auth-card input:focus,
.auth-card select:focus {
  outline: none;
  border-color: var(--globe);
}

.auth-card input::placeholder {
  color: var(--rock);
}

/* ── Auth Button ─────────────────────────────────────────── */
.auth-btn {
  display: block;
  width: 100%;
  padding: 0.85rem;
  margin-top: 1.5rem;
  background: linear-gradient(135deg, var(--valley) 0%, var(--globe) 100%);
  color: var(--white);
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: opacity 0.3s ease, transform 0.2s ease;
}

.auth-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

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

/* ── Auth Links (forgot password, sign up) ───────────────── */
.auth-links {
  margin-top: 1rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--smokey);
}

.auth-links a {
  color: var(--globe);
  text-decoration: none;
  font-weight: 600;
}

.auth-links a:hover {
  color: var(--valley);
  text-decoration: underline;
}

/* ── Error / Success Messages ────────────────────────────── */
.auth-error {
  background: #fef2f2;
  color: #dc2626;
  border: 1px solid #fecaca;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  text-align: left;
}

.auth-success {
  background: #f0fdf4;
  color: #16a34a;
  border: 1px solid #bbf7d0;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  text-align: left;
}

.auth-message {
  display: none;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  text-align: left;
}

.auth-message.error {
  display: block;
  background: #fef2f2;
  color: #dc2626;
  border: 1px solid #fecaca;
}

.auth-message.success {
  display: block;
  background: #f0fdf4;
  color: #16a34a;
  border: 1px solid #bbf7d0;
}

/* ── Popup Overlay ───────────────────────────────────────── */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 1rem;
}

.popup-card {
  background: var(--white);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  max-width: 480px;
  width: 100%;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.popup-card h3 {
  font-size: 1.5rem;
  color: var(--smokey);
  margin: 0 0 1rem;
}

.popup-card p {
  color: var(--smokey);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.popup-card .auth-btn {
  max-width: 200px;
  margin: 1.5rem auto 0;
}

/* ── Auth Popup (JS-generated) ───────────────────────────── */
.auth-popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 1rem;
}

.auth-popup {
  background: var(--white);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  max-width: 500px;
  width: 100%;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.auth-popup h3 {
  font-size: 1.5rem;
  color: var(--smokey);
  margin: 0 0 1rem;
}

.auth-popup p {
  color: var(--smokey);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.credential-box {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
  text-align: left;
  font-size: 0.95rem;
  color: var(--smokey);
  word-break: break-word;
}

.auth-popup-btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  margin: 0.5rem 0.3rem 0;
  background: linear-gradient(135deg, var(--valley) 0%, var(--globe) 100%);
  color: var(--white);
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: opacity 0.3s ease, transform 0.2s ease;
}

.auth-popup-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.auth-popup-btn.danger {
  background: var(--torch);
}

.auth-popup-btn.danger:hover {
  background: #c0392b;
}

.auth-popup-btn.cancel {
  background: #e0e0e0;
  color: var(--smokey);
}

.auth-popup-btn.cancel:hover {
  background: #d0d0d0;
}

/* ── Dashboard ───────────────────────────────────────────── */
.dashboard-page {
  min-height: calc(100vh - 60px);
  background: linear-gradient(135deg, var(--valley) 0%, var(--globe) 100%);
  padding: 2rem;
}

.dashboard-header {
  text-align: center;
  color: var(--white);
  margin-bottom: 2rem;
}

.dashboard-header h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 0.25rem;
}

.dashboard-header p {
  color: var(--limestone);
  font-size: 1rem;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.dashboard-card {
  background: var(--white);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.dashboard-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--globe);
  margin: 0 0 0.25rem;
}

.dashboard-card .card-subtitle {
  font-size: 0.85rem;
  color: var(--rock);
  margin: 0 0 1.25rem;
}

.dashboard-card hr {
  border: none;
  border-top: 1px solid #e0e0e0;
  margin: 1.25rem 0;
}

/* Dashboard danger zone */
.dashboard-card.danger {
  border: 2px solid var(--torch);
}

.dashboard-card.danger h3 {
  color: var(--torch);
}

.danger-btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  background: var(--torch);
  color: var(--white);
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease;
}

.danger-btn:hover {
  background: #c0392b;
  transform: translateY(-1px);
}

/* ── Dashboard Buttons ───────────────────────────────────── */
.dash-btn {
  display: inline-block;
  padding: 0.65rem 1.5rem;
  background: linear-gradient(135deg, var(--valley) 0%, var(--globe) 100%);
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: opacity 0.3s ease, transform 0.2s ease;
}

.dash-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

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

.dash-btn.full {
  display: block;
  width: 100%;
  text-align: center;
  padding: 0.75rem;
}

.dash-btn.small {
  padding: 0.4rem 1rem;
  font-size: 0.85rem;
  border-radius: 8px;
}

.dash-btn.small.danger {
  background: var(--torch);
}

.dash-btn.small.danger:hover {
  background: #c0392b;
}

/* ── Group Tabs ──────────────────────────────────────────── */
.group-tab-wrapper {
  display: inline-flex;
  align-items: center;
  position: relative;
}

.group-tab {
  display: inline-block;
  padding: 0.45rem 1rem;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  background: var(--white);
  color: var(--smokey);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-right: 0.3rem;
}

.group-tab:hover {
  border-color: var(--globe);
  color: var(--globe);
}

.group-tab.active {
  background: var(--globe);
  color: var(--white);
  border-color: var(--globe);
}

.group-delete-x {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: none;
  background: var(--torch);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  margin-left: -0.2rem;
  margin-right: 0.3rem;
  transition: background 0.2s ease;
  line-height: 1;
  padding: 0;
}

.group-delete-x:hover {
  background: #c0392b;
}

/* ── Method Tabs (Single / Multiple / Import) ────────────── */
.method-tab {
  padding: 0.5rem 1.25rem;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  background: var(--white);
  color: var(--smokey);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s ease;
}

.method-tab:hover {
  border-color: var(--globe);
  color: var(--globe);
}

.method-tab.active {
  background: var(--globe);
  color: var(--white);
  border-color: var(--globe);
}

.method-panel {
  display: none;
}

.method-panel.active {
  display: block;
}

/* ── Student Hub ─────────────────────────────────────────── */
.student-hub-bg {
  min-height: calc(100vh - 60px);
  background: linear-gradient(135deg, var(--valley) 0%, var(--globe) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.student-hub-content {
  background: var(--white);
  border-radius: 16px;
  padding: 3rem 2.5rem;
  max-width: 600px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  text-align: center;
}

/* ── Navbar Auth Pill ────────────────────────────────────── */
.nav-auth-wrapper {
  position: relative;
  margin-left: 1.5rem;
  flex-shrink: 0;
}

.nav-auth-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem 0.4rem 0.4rem;
  border: 2px solid var(--globe);
  border-radius: 50px;
  background: var(--white);
  cursor: pointer;
  transition: all 0.3s ease;
  user-select: none;
  white-space: nowrap;
}

.nav-auth-btn:hover {
  background: var(--globe);
  border-color: var(--globe);
  box-shadow: 0 0 12px rgba(0, 108, 147, 0.4);
}

.nav-auth-btn:hover .nav-auth-label {
  color: var(--white);
}

.nav-auth-btn:hover .nav-auth-chevron {
  color: var(--white);
}

.nav-auth-btn:hover .nav-auth-avatar {
  border-color: var(--white);
}

.nav-auth-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--globe);
  transition: border-color 0.3s ease;
}

.nav-auth-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--globe);
  transition: color 0.3s ease;
}

.nav-auth-chevron {
  font-size: 0.7rem;
  color: var(--globe);
  transition: transform 0.3s ease, color 0.3s ease;
  display: inline-block;
}

.nav-auth-chevron.open {
  transform: rotate(180deg);
}

/* ── Navbar Auth Dropdown Menu ───────────────────────────── */
.nav-auth-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  background: var(--white);
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  min-width: 160px;
  z-index: 1000;
  overflow: hidden;
}

.nav-auth-dropdown.show {
  display: block;
}

.nav-auth-dropdown a {
  display: block;
  padding: 0.75rem 1.25rem;
  color: var(--smokey);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: background 0.2s ease, color 0.2s ease;
}

.nav-auth-dropdown a:hover {
  background: var(--globe);
  color: var(--white);
}

/* ── Logged-in pill state ────────────────────────────────── */
.nav-auth-btn.logged-in {
  border-color: var(--valley);
}

.nav-auth-btn.logged-in .nav-auth-label {
  color: var(--valley);
}

.nav-auth-btn.logged-in .nav-auth-chevron {
  color: var(--valley);
}

.nav-auth-btn.logged-in .nav-auth-avatar {
  border-color: var(--valley);
}

.nav-auth-btn.logged-in:hover {
  background: var(--valley);
  border-color: var(--valley);
  box-shadow: 0 0 12px rgba(0, 116, 111, 0.4);
}

.nav-auth-btn.logged-in:hover .nav-auth-label,
.nav-auth-btn.logged-in:hover .nav-auth-chevron {
  color: var(--white);
}

.nav-auth-btn.logged-in:hover .nav-auth-avatar {
  border-color: var(--white);
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .auth-card {
    padding: 2rem 1.5rem;
  }

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

  .dashboard-card {
    padding: 1.5rem;
  }

  .nav-auth-wrapper {
    margin-left: 0.5rem;
  }
}

/* ── Forgot Username Popup ────────────────────────────────── */
.forgot-popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.forgot-popup-card {
  position: relative;
  background: #fff;
  border-radius: 16px;
  padding: 2.5rem 2rem 2rem 2rem;
  max-width: 420px;
  width: 90%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  text-align: center;
}

.forgot-popup-card h3 {
  color: #006C93;
  font-size: 1.3rem;
  margin: 0 0 0.75rem 0;
}

.forgot-popup-card p {
  color: #58595B;
  font-size: 1rem;
  line-height: 1.6;
  margin: 0;
}

.forgot-popup-close {
  position: absolute;
  top: 0.6rem;
  right: 0.8rem;
  background: none;
  border: 2px solid #006C93;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  font-size: 1.2rem;
  color: #006C93;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  padding: 0;
  transition: all 0.25s ease;
}

.forgot-popup-close:hover {
  background: linear-gradient(135deg, #00746F 0%, #006C93 100%);
  color: #fff;
  border-color: #00746F;
}

/* ── Role Selection Buttons ───────────────────────────────── */
.role-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
  width: 100%;
}

.role-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.2rem 1.5rem;
  border-radius: 12px;
  text-decoration: none;
  text-align: center;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.role-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.role-btn-title {
  font-size: 1.1rem;
  font-weight: 700;
  display: block;
  margin-bottom: 0.25rem;
}

.role-btn-desc {
  font-size: 0.85rem;
  font-weight: 400;
  display: block;
  opacity: 0.85;
}

/* Turquoise buttons for Student and Teacher */
.role-btn-primary {
  background: linear-gradient(135deg, #00746F 0%, #006C93 100%);
  color: #fff;
  border-color: #00746F;
}

.role-btn-primary:hover {
  background: linear-gradient(135deg, #005a56 0%, #005577 100%);
  border-color: #005a56;
}

.role-btn-primary .role-btn-title {
  color: #fff;
}

.role-btn-primary .role-btn-desc {
  color: rgba(255, 255, 255, 0.85);
}

/* Grey button for Guest */
.role-btn-guest {
  background: #A7A9AC;
  color: #fff;
  border-color: #A7A9AC;
}

.role-btn-guest:hover {
  background: #8d8f92;
  border-color: #8d8f92;
}

.role-btn-guest .role-btn-title {
  color: #fff;
}

.role-btn-guest .role-btn-desc {
  color: rgba(255, 255, 255, 0.85);
}