:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --bg-light: #f9fafb;
    --card-bg: #ffffff;
    --text-main: #111827;
    --text-muted: #6b7280;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --secondary: #6b7280;
    --radius: 1rem;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-tap-highlight-color: transparent;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 1.5rem;
}

.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
    text-decoration: none;
    display: block;
    border: none;
    width: 100%;
    margin-bottom: 1.5rem;
    text-align: left;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.card.primary {
    border: 2px solid transparent;
}

.card.primary:active {
    outline: 2px solid var(--primary);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.card-subtitle {
    font-size: 1rem;
    color: var(--text-muted);
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    font-weight: 600;
    border: none;
    display: inline-block;
    cursor: pointer;
    text-align: center;
    width: 100%;
}

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

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

.form-control {
    width: 100%;
    padding: 1rem;
    border-radius: 0.75rem;
    border: 1px solid #e5e7eb;
    background-color: #f3f4f6;
    font-size: 1rem;
}

.form-control:focus {
    outline: 2px solid var(--primary);
    background-color: white;
}

.secondary-link {
    display: block;
    text-align: center;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    margin-top: 2rem;
}

.header {
    padding: 2rem 0;
    text-align: center;
}

.logo {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.05em;
}

.step-indicator {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.step-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background-color: #e5e7eb;
}

.step-dot.active {
    background-color: var(--primary);
    width: 1.5rem;
    border-radius: 1rem;
}