* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #f4f6f8;
    color: #1f2933;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 32px;
    background: #1f2933;
}

.navbar .brand {
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    font-size: 1.2rem;
}

.nav-links a {
    color: #d2d6dc;
    text-decoration: none;
    margin-left: 20px;
    font-size: 0.95rem;
}

.nav-links a:hover { color: #fff; }

.container {
    max-width: 480px;
    margin: 48px auto;
    padding: 0 16px;
}

.hero {
    text-align: center;
    background: #fff;
    padding: 48px 32px;
    border-radius: 10px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.hero-actions { margin-top: 20px; }

.form-card {
    background: #fff;
    padding: 32px;
    border-radius: 10px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.form-card h2 { margin-top: 0; }

form { display: flex; flex-direction: column; }

label {
    margin-top: 14px;
    margin-bottom: 4px;
    font-size: 0.9rem;
    font-weight: 600;
}

input[type="text"],
input[type="email"],
input[type="password"] {
    padding: 10px 12px;
    border: 1px solid #cbd2d9;
    border-radius: 6px;
    font-size: 1rem;
}

input:focus { outline: 2px solid #3b82f6; border-color: transparent; }

.btn {
    margin-top: 24px;
    padding: 11px 18px;
    background: #3b82f6;
    color: #fff;
    text-align: center;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    display: inline-block;
}

.btn:hover { background: #2563eb; }

.btn-secondary {
    background: #6b7280;
    margin-left: 12px;
}

.btn-secondary:hover { background: #4b5563; }

.form-footer {
    margin-top: 18px;
    font-size: 0.9rem;
    text-align: center;
}

.flash-messages { margin-bottom: 20px; }

.flash {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.flash-success { background: #d1fae5; color: #065f46; }
.flash-danger  { background: #fee2e2; color: #991b1b; }
.flash-warning { background: #fef3c7; color: #92400e; }
.flash-info    { background: #dbeafe; color: #1e40af; }