* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: #f4f6f8;
    color: #1f2933;
    display: flex;
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.card {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    padding: 40px;
    width: 100%;
    max-width: 420px;
}

h1 {
    font-size: 22px;
    margin: 0 0 8px;
}

p.subtitle {
    color: #6b7280;
    margin: 0 0 28px;
    font-size: 14px;
}

label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: #374151;
}

input[type="text"] {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 16px;
    margin-bottom: 20px;
}

input[type="text"]:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}

button {
    width: 100%;
    background: #2563eb;
    color: #fff;
    border: none;
    padding: 13px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}

button:hover { background: #1d4ed8; }

.error {
    background: #fef2f2;
    color: #b91c1c;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 20px;
}

.success {
    background: #f0fdf4;
    color: #15803d;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 20px;
}

.footer-note {
    text-align: center;
    font-size: 12px;
    color: #9ca3af;
    margin-top: 20px;
}

a { color: #2563eb; }

.icon-check {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #dcfce7;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 28px;
}