:root {
    --chromino-blue: #3AC2EE;
    --chromino-green: #4CAE44;
    --chromino-purple: #571B6D;
    --chromino-red: #FA2C2E;
    --chromino-yellow: #FFEB47;
    --chromino-bg: #f0f4f8;
    --chromino-card-shadow: 0 12px 48px rgba(87, 27, 109, 0.15);
    --chromino-radius: 20px;
    --chromino-input-radius: 12px;
}

.auth-page {
    min-height: calc(100vh - 140px);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f0f4f8 0%, #e8eef5 50%, #f5eef8 100%);
    padding: 24px;
    position: relative;
}

.bg-blob { display: none; }

.auth-card {
    background: #fff;
    border-radius: var(--chromino-radius);
    box-shadow: var(--chromino-card-shadow);
    width: 100%;
    max-width: 520px;
    overflow: hidden;
    animation: authFadeIn 0.4s ease-out;
}

@keyframes authFadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.auth-header {
    background: linear-gradient(135deg, var(--chromino-purple) 0%, #7b2d9e 100%);
    padding: 40px 40px 32px;
    text-align: center;
    position: relative;
}

.auth-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--chromino-blue), var(--chromino-green), var(--chromino-yellow), var(--chromino-red), var(--chromino-purple));
}

.auth-header .auth-logo {
    width: 72px;
    height: 72px;
    margin-bottom: 16px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 34px;
    font-weight: 800;
    color: #fff;
    backdrop-filter: blur(4px);
}

.auth-header h1 {
    color: #fff;
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.02em;
}

.auth-header .auth-subtitle {
    color: rgba(255,255,255,0.75);
    font-size: 0.9375rem;
    margin-top: 8px;
}

.auth-body {
    padding: 36px 40px 40px;
}

.auth-body .form-group {
    margin-bottom: 22px;
}

.auth-body .form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 6px;
}

.auth-body .form-control {
    width: 100%;
    padding: 13px 18px;
    font-size: 1rem;
    border: 1.5px solid #d1d5db;
    border-radius: var(--chromino-input-radius);
    background: #f9fafb;
    transition: all 0.2s ease;
    outline: none;
    color: #1f2937;
}

.auth-body .form-control:focus {
    border-color: var(--chromino-blue);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(58, 194, 238, 0.15);
}

.auth-body .form-control.is-invalid {
    border-color: var(--chromino-red);
    box-shadow: 0 0 0 4px rgba(250, 44, 46, 0.12);
}

.auth-body .text-danger {
    color: var(--chromino-red);
    font-size: 0.8125rem;
    margin-top: 4px;
    display: block;
}

.auth-body .validation-summary-errors ul {
    list-style: none;
    padding: 12px 16px;
    margin: 0 0 22px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--chromino-input-radius);
    color: var(--chromino-red);
    font-size: 0.875rem;
}

.auth-body .validation-summary-errors ul li {
    margin: 3px 0;
}

.auth-body .checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
}

.auth-body .checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--chromino-blue);
    cursor: pointer;
}

.auth-body .checkbox label {
    font-size: 0.9375rem;
    font-weight: 400;
    color: #4b5563;
    cursor: pointer;
    margin: 0;
}

.auth-btn-primary {
    width: 100%;
    padding: 14px 24px;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, var(--chromino-blue), #2ba8d4);
    border: none;
    border-radius: var(--chromino-input-radius);
    cursor: pointer;
    transition: all 0.2s ease;
    letter-spacing: 0.01em;
}

.auth-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(58, 194, 238, 0.35);
}

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

.auth-btn-success {
    width: 100%;
    padding: 14px 24px;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, var(--chromino-green), #3d9a36);
    border: none;
    border-radius: var(--chromino-input-radius);
    cursor: pointer;
    transition: all 0.2s ease;
    letter-spacing: 0.01em;
}

.auth-btn-success:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(76, 174, 68, 0.35);
}

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

.auth-links {
    margin-top: 24px;
    text-align: center;
}

.auth-links p {
    margin: 10px 0;
}

.auth-links a {
    color: var(--chromino-purple);
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s;
}

.auth-links a:hover {
    color: #7b2d9e;
    text-decoration: underline;
}

.auth-links .auth-link-muted {
    color: #6b7280;
    font-weight: 400;
}

.auth-links .auth-link-muted:hover {
    color: var(--chromino-purple);
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: 24px 0;
    color: #9ca3af;
    font-size: 0.875rem;
    gap: 14px;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #e5e7eb;
}

.auth-external {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.auth-external .btn-externalaccount {
    width: 54px;
    height: 54px;
    border-radius: 14px;
    border: 1.5px solid #e5e7eb;
    background: #fff;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
    margin: 0;
}

.auth-external .btn-externalaccount:hover {
    border-color: var(--chromino-blue);
    box-shadow: 0 2px 8px rgba(58, 194, 238, 0.2);
    transform: translateY(-2px);
}

.auth-guest-card {
    margin-top: 20px;
    padding: 18px 24px;
    background: linear-gradient(135deg, #f9fafb, #f3f4f6);
    border-radius: var(--chromino-input-radius);
    border: 1px dashed #d1d5db;
    text-align: center;
}

.auth-guest-card p {
    margin: 0 0 10px;
    font-size: 0.875rem;
    color: #6b7280;
}

.auth-guest-card .auth-btn-ghost {
    display: inline-block;
    padding: 10px 24px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--chromino-purple);
    background: transparent;
    border: 1.5px solid var(--chromino-purple);
    border-radius: var(--chromino-input-radius);
    text-decoration: none;
    transition: all 0.2s ease;
}

.auth-guest-card .auth-btn-ghost:hover {
    background: var(--chromino-purple);
    color: #fff;
    text-decoration: none;
}

@media (max-width: 480px) {
    .auth-header {
        padding: 28px 24px 24px;
    }
    .auth-header .auth-logo {
        width: 56px;
        height: 56px;
        font-size: 28px;
    }
    .auth-header h1 {
        font-size: 1.4rem;
    }
    .auth-body {
        padding: 28px 24px 32px;
    }
}