/* public/css/style.css */

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #f3f4f6;
    color: #111827;
}

.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 1rem;
}

.site-header {
    background: #0f172a;
    color: #f9fafb;
    border-bottom: 2px solid #38bdf8;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo a {
    color: inherit;
    text-decoration: none;
}

.logo-main {
    font-weight: 700;
    font-size: 1.2rem;
    margin-right: 0.25rem;
}

.logo-sub {
    font-size: 0.85rem;
    opacity: 0.8;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 1rem;
    margin: 0;
    padding: 0;
}

.main-nav a {
    color: #e5e7eb;
    text-decoration: none;
    font-size: 0.95rem;
}

.main-nav a:hover {
    text-decoration: underline;
}

.site-main {
    padding-top: 1.5rem;
    padding-bottom: 2rem;
}

.card {
    background: #ffffff;
    border-radius: 0.5rem;
    padding: 1.25rem;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.1);
    margin-bottom: 1.25rem;
}

.card h1,
.card h2,
.card h3 {
    margin-top: 0;
}

.button {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 999px;
    border: none;
    background: #0f766e;
    color: #f9fafb;
    text-decoration: none;
    font-size: 0.95rem;
}

.button:hover {
    background: #115e59;
}

.form-group {
    margin-bottom: 0.75rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.25rem;
}

.form-group input {
    width: 100%;
    padding: 0.4rem 0.5rem;
    border-radius: 0.4rem;
    border: 1px solid #d1d5db;
}

.error {
    color: #b91c1c;
    margin-bottom: 0.75rem;
}