.form-container {
    max-width: 600px;
    margin: 2rem auto;
    padding: 2rem;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
}

.form-control {
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    padding: 0.75rem 1rem;
    transition: all 0.2s;
}

.form-control:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-primary {
    background-color: #3b82f6;
    border-color: #3b82f6;
}

.btn-primary:hover {
    background-color: #2563eb;
    border-color: #2563eb;
}

.btn-outline-primary {
    color: #3b82f6;
    border-color: #3b82f6;
}

.btn-outline-primary:hover {
    background-color: #3b82f6;
    color: white;
}

.btn-outline-success {
    color: #10b981;
    border-color: #10b981;
}

.btn-outline-success:hover {
    background-color: #10b981;
    color: white;
}

.form-label {
    font-weight: 500;
    color: #374151;
    margin-bottom: 0.5rem;
}

.input-group {
    border-radius: 8px;
    overflow: hidden;
}

.input-group .form-control {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.input-group .btn {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.verification-timer {
    color: #6b7280;
    font-size: 0.875rem;
}

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

body {
    background-color: #f3f4f6;
}