/* Vasantham Learning Institute - Modern Login Page Styles */

:root {
    --vasantham-blue: #0078D7;
    --vasantham-dark-blue: #005A9E;
    --vasantham-light-gray: #F5F5F7;
    --vasantham-text-dark: #4A5568;
    --vasantham-text-light: #9CA3AF;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #FAFCFE;
    min-height: 100vh;
}

.auth-page-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem 1rem;
}

.auth-card-container {
    max-width: 450px;
    width: 100%;
    margin: 0 auto;
}

.auth-card {
    background: white;
    border-radius: 24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    border: none;
    position: relative;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--vasantham-blue) 0%, #00A8E8 100%);
    border-radius: 24px 24px 0 0;
}

.auth-card-body {
    padding: 2rem 2.5rem 2rem;
}

.logo-section {
    text-align: center;
    margin-bottom: 1.5rem;
}

.logo-section img {
    max-width: 240px;
    height: auto;
}

.auth-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.auth-header h2 {
    color: var(--vasantham-text-dark);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

.auth-header p {
    color: var(--vasantham-text-light);
    font-size: 14px;
    font-weight: 400;
    margin: 0;
}

.form-label {
    color: var(--vasantham-text-dark);
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 0.5rem;
}

.form-control {
    background: var(--vasantham-light-gray);
    border: 2px solid transparent;
    border-radius: 10px;
    padding: 0.75rem 1rem;
    font-size: 14px;
    color: var(--vasantham-text-dark);
    transition: all 0.3s ease;
}

.form-control::placeholder {
    color: var(--vasantham-text-light);
    opacity: 0.7;
}

.form-control:focus {
    background: white;
    border-color: var(--vasantham-blue);
    box-shadow: 0 0 0 4px rgba(0, 120, 215, 0.1);
    outline: none;
}

.form-control.is-invalid {
    border-color: #EF4444;
    background: #FEF2F2;
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

.password-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--vasantham-text-light);
    cursor: pointer;
    padding: 0.5rem;
    z-index: 10;
    transition: color 0.3s ease;
}

.password-toggle:hover {
    color: var(--vasantham-blue);
}

.forgot-password-wrapper {
    text-align: right;
    margin-top: 0.5rem;
}

.forgot-password-link {
    color: var(--vasantham-blue);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s ease;
}

.forgot-password-link:hover {
    color: var(--vasantham-dark-blue);
    text-decoration: none;
}

.login-button {
    background: var(--vasantham-blue);
    border: none;
    border-radius: 10px;
    color: white;
    font-weight: 600;
    font-size: 15px;
    padding: 0.875rem;
    width: 100%;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 120, 215, 0.3);
    margin-top: 1.25rem;
}

.login-button:hover {
    background: var(--vasantham-dark-blue);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(0, 120, 215, 0.4);
}

.login-button:active {
    transform: translateY(0);
}

.version-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0, 120, 215, 0.1);
    color: var(--vasantham-blue);
    font-size: 11px;
    font-weight: 600;
    padding: 0.375rem 0.75rem;
    border-radius: 20px;
}

.invalid-feedback {
    font-size: 12px;
    color: #EF4444;
    margin-top: 0.375rem;
    font-weight: 500;
}

.footer-auth {
    text-align: center;
    margin-top: 2rem;
    padding: 1.5rem;
}

.footer-auth p {
    color: #6B7280;
    font-size: 13px;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 576px) {
    .auth-card-body {
        padding: 2rem 1.5rem;
    }

    .auth-header h2 {
        font-size: 24px;
    }

    .logo-section img {
        max-width: 250px;
    }
}

/* Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-card {
    animation: fadeInUp 0.6s ease-out;
}