:root {
    --primary-color: #3b82f6;
    --secondary-color: #6b7280;
    --button-color: #3b82f6;
    --text-color: #1f2937;
    --background-color: #ffffff;
    --border-color: #e5e7eb;
    --input-border: #d1d5db;
    --input-focus: #3b82f6;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
}

/* Base styles for auth forms */
.auth-container {
    background-color: var(--background-color);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.auth-card {
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-title {
    color: var(--text-color);
    font-size: 1.875rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.auth-subtitle {
    color: var(--secondary-color);
    font-size: 0.875rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    color: var(--text-color);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--input-border);
    border-radius: 8px;
    font-size: 0.875rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    background-color: var(--background-color);
    color: var(--text-color);
}

.form-control:focus {
    outline: none;
    border-color: var(--input-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-control.is-invalid {
    border-color: var(--error-color);
}

.invalid-feedback {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.btn-primary:hover {
    background-color: #2563eb;
    border-color: #2563eb;
    color: white;
    text-decoration: none;
}

.btn-primary:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}

.btn-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.875rem;
}

.btn-link:hover {
    color: #2563eb;
    text-decoration: underline;
}

.form-check {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.form-check-input {
    margin-right: 0.5rem;
}

.form-check-label {
    color: var(--text-color);
    font-size: 0.875rem;
}

.auth-links {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.alert-success {
    background-color: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #166534;
}

.alert-danger {
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
}

.alert-warning {
    background-color: #fffbeb;
    border: 1px solid #fed7aa;
    color: #d97706;
}

.code-input {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.5rem;
    padding: 1rem;
}

.resend-section {
    text-align: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}