:root {
    --card-bg: #fff;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --border-color: #e5e7eb;
    --primary-color: #4f46e5;
    --shadow-lg: 0 10px 25px rgba(15, 23, 42, 0.25);
}

* {
    box-sizing: border-box;
}

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

.welcome-page {
    width: 100%;
    max-width: 420px;
    padding: 24px;
}

.login-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 48px 40px;
    box-shadow: var(--shadow-lg);
}

.login-card h1 {
    text-align: center;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-size: 26px;
    letter-spacing: 0.5px;
}

.welcome-subtitle {
    text-align: center;
    font-size: 15px;
    color: var(--text-secondary);
    font-weight: 500;
    margin: 0 0 24px;
}

.login-options {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.login-option-btn {
    display: flex;
    align-items: center;
    gap: 14px;
    width: 100%;
    padding: 16px 20px;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.25s ease;
    text-align: left;
}

.login-option-btn:hover {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(79, 70, 229, 0.35);
}

.login-option-icon {
    font-size: 24px;
    line-height: 1;
}

.login-option-text {
    flex: 1;
}