* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.auth-card {
    background: white;
    border-radius: 16px;
    padding: 3rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.auth-logo {
    text-align: center;
    margin-bottom: 1rem;
}

.auth-logo a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #6366f1;
    font-size: 1.75rem;
    font-weight: 800;
    text-decoration: none;
}

.auth-logo i {
    font-size: 2rem;
}

.auth-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 0.5rem;
    text-align: center;
}

.auth-subtitle {
    color: #64748b;
    text-align: center;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-weight: 600;
    color: #334155;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 0.9375rem;
    transition: all 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-error {
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 1rem 0;
}

.form-checkbox input {
    width: 16px;
    height: 16px;
    border-radius: 4px;
    border: 1px solid #e2e8f0;
}

.form-checkbox label {
    color: #64748b;
    font-size: 0.875rem;
    cursor: pointer;
}

.btn {
    width: 100%;
    padding: 0.875rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary {
    background: #6366f1;
    color: white;
}

.btn-primary:hover {
    background: #4f46e5;
    transform: translateY(-1px);
}

.auth-link {
    color: #6366f1;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
}

.auth-link:hover {
    text-decoration: underline;
}

.auth-divider {
    text-align: center;
    margin: 1.5rem 0;
    color: #94a3b8;
    font-size: 0.875rem;
}

.auth-footer {
    text-align: center;
    margin-top: 1rem;
    color: #64748b;
    font-size: 0.875rem;
    background: #fff;
    border-radius: 15px;
}

.alert {
    padding: 0.875rem 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
}

.alert-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

/* Responsive */
@media (max-width: 480px) {
    .auth-card {
        padding: 2rem 1.5rem;
    }

    .auth-title {
        font-size: 1.5rem;
    }
}

.logo-img {
    height: 50px;
    width: auto;
}