/* Student portal login card — match teacher login typography & primary button */
.auth-student-login-panel {
    --tlr-blue-soft: #e8f1fb;
    --tlr-ref-primary: #2563eb;
    --tlr-text: #111827;
    --tlr-muted: #6b7280;
    --tlr-input-bg: #f3f4f6;
    font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

/* Role pill — same specs as teacher-login-revamp.css .tlr-badge-role */
.auth-student-login-panel .tlr-badge-role {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    width: fit-content;
    max-width: 100%;
    gap: 0.5rem;
    padding: 0.42rem 0.95rem;
    border-radius: 999px;
    background: var(--tlr-blue-soft);
    font-size: clamp(0.65rem, 1.05vw, 0.75rem);
    margin-bottom: 0;
    flex-shrink: 0;
}

.auth-student-login-panel .tlr-badge-role__ico {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 1rem;
    height: 1rem;
    text-transform: none;
    letter-spacing: normal;
    font-weight: 400;
    line-height: 1;
}

.auth-student-login-panel .tlr-badge-role__ico .fal,
.auth-student-login-panel .tlr-badge-role__ico .fas {
    font-size: 0.875rem;
    line-height: 1;
    color: #0369a1;
}

.auth-student-login-panel .tlr-badge-role__label {
    color: #1e40af;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.auth-student-login-panel .auth-student-form-stack {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: clamp(0.6rem, 1.8vh, 1.04rem);
    width: 100%;
    max-width: 100%;
    margin: -0.85rem auto 0;
}

.auth-student-login-panel .tlr-card {
    position: relative;
    flex-shrink: 0;
    background: #fff;
    border-radius: 16px;
    padding: clamp(2.2rem, 4.5vh, 3.35rem) clamp(0.8rem, 1.5vw, 1.15rem) clamp(1.44rem, 2.9vh, 2rem);
    border: 1px solid #e8ecf1;
    box-shadow:
        0 4px 24px rgba(15, 23, 42, 0.06),
        0 18px 48px rgba(15, 23, 42, 0.04);
    margin-top: 0;
}

.auth-student-login-panel .tlr-card .form-group {
    margin-bottom: clamp(0.48rem, 1.25vh, 0.78rem);
}

.auth-student-login-panel .tlr-card .form-label {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--tlr-text);
    margin-bottom: 0.3rem;
}

.auth-student-login-panel .tlr-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.auth-student-login-panel .tlr-input-wrap > .fal:not(.toggle-password),
.auth-student-login-panel .tlr-input-wrap > .fas:not(.toggle-password) {
    position: absolute;
    left: 0.95rem;
    color: var(--tlr-muted);
    font-size: 0.95rem;
    pointer-events: none;
    z-index: 2;
}

.auth-student-login-panel .tlr-card .form-control {
    border-radius: 10px;
    border: 1px solid transparent;
    background: var(--tlr-input-bg);
    padding: 0.42rem 0.7rem 0.42rem 2.35rem;
    font-size: 0.875rem;
    min-height: 38px;
}

.auth-student-login-panel .tlr-input-wrap:has(.toggle-password) .form-control {
    padding-right: 2.85rem;
}

.auth-student-login-panel .tlr-card .form-control:focus {
    background: #fff;
    border-color: var(--tlr-ref-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Required-field validation (HTML5 + .was-validated on #st-login-form) */
.auth-student-login-panel .tlr-card .invalid-feedback {
    display: none;
    width: 100%;
    margin-top: 0.3rem;
    font-size: 0.8125rem;
    font-weight: 600;
    line-height: 1.35;
    color: #b91c1c;
}

.auth-student-login-panel .was-validated .form-group:has(.form-control:invalid) .invalid-feedback {
    display: block;
}

.auth-student-login-panel .was-validated .form-group:has(.form-control:invalid) .form-label {
    color: #b91c1c;
}

.auth-student-login-panel .was-validated .tlr-input-wrap .form-control:invalid {
    border-color: #ef4444;
    background-color: #fff;
    box-shadow: 0 0 0 1px rgba(239, 68, 68, 0.4);
}

.auth-student-login-panel .was-validated .tlr-input-wrap .form-control:invalid:focus {
    border-color: #dc2626;
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.22);
}

.auth-student-login-panel .was-validated .form-group:has(.form-control:invalid) .tlr-input-wrap > .fal:not(.toggle-password),
.auth-student-login-panel .was-validated .form-group:has(.form-control:invalid) .tlr-input-wrap > .fas:not(.toggle-password) {
    color: #ef4444;
}

.auth-student-login-panel .tlr-input-wrap .toggle-password {
    position: absolute !important;
    right: 0.85rem !important;
    left: auto !important;
    top: 50% !important;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--tlr-muted);
    font-size: 1rem;
    z-index: 4;
    pointer-events: auto;
    padding: 0.35rem;
    margin: -0.35rem -0.2rem -0.35rem 0;
    border: none;
    background: transparent;
    appearance: none;
    -webkit-appearance: none;
    line-height: 1;
}

.auth-student-login-panel .tlr-input-wrap .toggle-password:hover {
    color: var(--tlr-ref-primary);
}

.auth-student-login-panel .tlr-card .custom-control-label {
    color: var(--tlr-muted) !important;
    font-size: 0.875rem;
    padding-top: 0.1rem;
}

.auth-student-login-panel .tlr-remember-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
}

.auth-student-login-panel .tlr-remember-group {
    margin-bottom: 0.9rem !important;
}

.auth-student-login-panel .tlr-card .custom-control-input:checked ~ .custom-control-label::before {
    background-color: var(--tlr-ref-primary);
    border-color: var(--tlr-ref-primary);
}

.auth-student-login-panel .tlr-submit-group {
    margin-top: 0.08rem;
    margin-bottom: 0.48rem !important;
}

.auth-student-login-panel .tlr-btn-signin {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    padding: 0.72rem 0.95rem;
    min-height: 44px;
    border-radius: 10px;
    border: none;
    background: var(--tlr-ref-primary);
    color: #fff !important;
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    margin-top: 0;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.28);
    transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
    cursor: pointer;
}

.auth-student-login-panel .tlr-btn-signin:hover {
    background: #1d4ed8;
    color: #fff !important;
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
    transform: translateY(-1px);
}

.auth-student-login-panel .tlr-btn-signin:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(37, 99, 235, 0.25);
}

.auth-student-login-panel .tlr-btn-signin:focus-visible {
    outline: none;
    box-shadow:
        0 0 0 3px rgba(37, 99, 235, 0.35),
        0 4px 14px rgba(37, 99, 235, 0.28);
}

.auth-student-login-panel .tlr-card .tlr-sso-divider {
    margin: 0.48rem 0 0.42rem;
}

.auth-student-login-panel .tlr-card .tlr-sso-grid {
    margin-bottom: 0;
}

/* Wider right column, tighter right gutter; smaller outer margin on the card (student portal only) */
.auth-student-login-card.login-card-container {
    width: 840px;
    height: auto !important;
    align-items: stretch;
}

.login-section.auth-student-login-panel {
    max-width: 440px;
    padding: 4.4rem 0.14rem 1.65rem 1.1rem;
    align-items: stretch;
    justify-content: center;
}

.auth-student-login-panel #st-login-form {
    max-width: 100%;
    width: 100%;
    margin: 0;
}

@media (min-width: 1920px) {
    .auth-student-login-card.login-card-container {
        width: 840px;
        margin-right: 16px !important;
    }
}

@media (min-width: 1440px) and (max-width: 1919px) {
    .auth-student-login-card.login-card-container {
        width: 840px;
        margin-right: 14px !important;
    }
}

@media (min-width: 1024px) and (max-width: 1439px) {
    .auth-student-login-card.login-card-container {
        width: 840px;
        margin-right: 10px !important;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .auth-student-login-card.login-card-container {
        width: 840px;
        margin-right: 6px !important;
    }

    .login-section.auth-student-login-panel {
        padding: 3.8rem 0.14rem 1.35rem 0.95rem;
    }
}

@media (max-width: 767px) {
    .auth-student-login-card.login-card-container {
        width: min(95vw, 500px);
        margin-left: auto !important;
        margin-right: auto !important;
    }

    .login-section.auth-student-login-panel {
        max-width: none;
        padding: 3.2rem 0.55rem 1.25rem 0.85rem;
        align-items: stretch;
        justify-content: center;
    }
}