/* ==========================================================================
   LOGIN PAGE STYLES (Theo Thiết kế Giao diện Đăng nhập Lớp Mình 2026)
   ========================================================================== */

.login-page-wrapper {
  min-height: 100vh;
  display: flex;
  background-color: var(--color-surface);
}

/* KHỐI TRÁI: BANNER GIỚI THIỆU THƯƠNG HIỆU (42% - 46%) */
.login-banner-side {
  flex: 0 0 44%;
  background: linear-gradient(180deg, #F0F6FF 0%, #E8F1FD 100%);
  padding: 48px 56px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid #DCE6F5;
  position: relative;
  overflow: hidden;
}

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

.brand-icon-box {
  width: 40px;
  height: 40px;
  background-color: var(--color-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  box-shadow: 0 4px 10px rgba(21, 101, 192, 0.25);
}

.brand-title-wrap h1 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-main);
  line-height: 1.2;
}

.brand-title-wrap span {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-secondary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.login-banner-content {
  margin: 40px 0;
}

.banner-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.banner-title {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.25;
  color: #171B4D;
  margin-bottom: 16px;
}

.banner-desc {
  font-size: 15px;
  line-height: 1.6;
  color: #475569;
  margin-bottom: 36px;
  max-width: 480px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.feature-icon-card {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
}

.feature-info h4 {
  font-size: 14px;
  font-weight: 600;
  color: #1E293B;
  margin-bottom: 2px;
}

.feature-info p {
  font-size: 13px;
  color: #64748B;
  line-height: 1.4;
}

.banner-footer {
  font-size: 13px;
  color: #64748B;
}

.banner-footer a {
  display: inline-block;
  margin-top: 8px;
  color: #475569;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* KHỐI PHẢI: FORM ĐĂNG NHẬP */
.login-form-side {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
  background-color: #FFFFFF;
}

.login-form-container {
  width: 100%;
  max-width: 460px;
}

.form-header-badge {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.form-header-title {
  font-size: 28px;
  font-weight: 700;
  color: #0F172A;
  margin-bottom: 6px;
}

.form-header-sub {
  font-size: 14px;
  color: #64748B;
  margin-bottom: 24px;
}

/* Phím chọn nhanh vai trò để kiểm thử */
.role-quick-selector {
  background: #F8FAFC;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 6px;
  display: flex;
  gap: 6px;
  margin-bottom: 24px;
}

.role-tab-btn {
  flex: 1;
  height: 36px;
  border: none;
  background: transparent;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.role-tab-btn.active {
  background: #FFFFFF;
  color: var(--color-primary);
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.form-options-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.forgot-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-primary);
}

.btn-login-submit {
  width: 100%;
  height: 44px;
  font-size: 15px;
  margin-bottom: 20px;
}

.notice-box {
  background-color: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  padding: 12px 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 24px;
}

.notice-box p {
  font-size: 12.5px;
  line-height: 1.5;
  color: #475569;
}

.form-footer-action {
  text-align: center;
  border-top: 1px solid #F1F5F9;
  padding-top: 18px;
}

.form-footer-action p {
  font-size: 13px;
  color: #64748B;
  margin-bottom: 4px;
}

.contact-admin-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.security-caption {
  margin-top: 16px;
  text-align: center;
  font-size: 12px;
  color: #94A3B8;
}

/* Responsive cho màn hình nhỏ */
@media (max-width: 960px) {
  .login-banner-side {
    display: none;
  }
  .login-form-side {
    padding: 24px 16px;
  }
}