/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: sans-serif;
}

/* 管理画面用（デフォルト） */
body {
    background: #f5f6fa;
    color: #333;
    display: flex;
}

/* auth 画面だけ中央寄せしたい場合 */
.auth-body {
    justify-content: center;
    align-items: center;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 230px;
    background: #333;
    color: #fff;
    padding: 20px;
    height: 100vh;
}

.sidebar a {
    color: #ddd;
    text-decoration: none;
    display: block;
    padding: 8px 12px;
    border-radius: 5px;
    margin-bottom: 6px;
}

.sidebar a:hover {
    background: #444;
}

/* Content */
.content {
    flex: 1;
    padding: 30px;
}

.card {
    background: #fff;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}


/* ------------------------------
   Auth Form Common Style
------------------------------- */

.auth-container {
    width: 100%;
    max-width: 420px;
    margin: 80px auto;
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.auth-container h1 {
    font-size: 22px;
    margin-bottom: 20px;
    text-align: center;
}

.auth-container form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.auth-container label {
    font-weight: 600;
}

.auth-container input {
    padding: 10px 14px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 16px;
}

.auth-container input:focus {
    border-color: #2563eb;
    outline: none;
}

.auth-container button {
    padding: 10px 14px;
    background: #2563eb;
    color: #fff;
    border-radius: 6px;
    cursor: pointer;
    border: none;
    font-size: 16px;
}

.auth-container button:hover {
    background: #1e40af;
}

.auth-links {
    margin-top: 20px;
    text-align: center;
}

.auth-links a {
    color: #2563eb;
    text-decoration: none;
}

.auth-links a:hover {
    text-decoration: underline;
}