:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-color: #1f2937;
    --light-bg: #f3f4f6;
    --card-bg: #ffffff;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --error-color: #ef4444;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-bg);
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

h1, h2, h3 {
    margin-bottom: 15px;
}

.card {
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

input, textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 16px;
}

.btn {
    display: inline-block;
    background-color: var(--light-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 8px 16px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.btn:hover {
    background-color: var(--border-color);
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border: none;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
}

.social-login {
    margin-top: 20px;
    text-align: center;
}

.social-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
}

.social-btn {
    min-width: 80px;
}

.result-box {
    margin-top: 20px;
    padding: 15px;
    background-color: var(--light-bg);
    border-radius: 4px;
}

.hidden {
    display: none;
}

#auth-status {
    display: flex;
    align-items: center;
    gap: 10px;
}

#status-message {
    font-size: 14px;
}

.success {
    color: var(--success-color);
}

.error {
    color: var(--error-color);
}