:root {
    --primary: #FF5722;
    --bg: #f4f4f9;
    --card: #ffffff;
    --text: #333333;
    --text-muted: #666666;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    color: var(--text);
}

.container {
    padding: 20px;
}

.card {
    background: var(--card);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    text-align: center;
    max-width: 400px;
    width: 100%;
}

.icon {
    font-size: 48px;
    margin-bottom: 20px;
}

h1 {
    font-size: 24px;
    margin: 0 0 16px 0;
}

p {
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 32px;
}

.secondary-btn {
    background: transparent;
    border: 2px solid #e0e0e0;
    color: var(--text-muted);
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
    width: 100%;
}

.secondary-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: #fff5f2;
}

.small {
    font-size: 12px;
    opacity: 0.8;
    display: block;
    margin-top: 4px;
}

.success-message {
    color: #4CAF50;
    font-weight: 600;
    margin-top: 20px;
    animation: fadeIn 0.5s;
}

.error-message {
    color: #e53935;
    font-weight: 600;
    margin-top: 20px;
    animation: fadeIn 0.5s;
}

.hidden {
    display: none;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}