/* musicker.art/assets/css/auth_style.css */
/* version 2.0 */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&family=Shippori+Mincho:wght@700&display=swap');

:root {
    --main-bg: #F8F5F2; /* 色褪せた紙のようなオフホワイト */
    --card-bg: #FFFFFF;
    --text-primary: #3D403A; /* 暗いオリーブグリーン */
    --text-secondary: #8A8D87;
    --accent-color: #6C7A89; /* 落ち着いたセージグリーン */
    --border-color: #EAE3DC;
    --error-color: #c0392b;
    --font-serif: 'Shippori Mincho', serif;
    --font-sans: 'Noto Sans JP', sans-serif;
}

body {
    background-color: var(--main-bg);
    color: var(--text-primary);
    font-family: var(--font-sans);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.auth-container {
    max-width: 450px;
    width: 100%;
    padding: 20px;
    box-sizing: border-box;
}

.auth-card {
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.auth-card .site-title-header {
    font-family: var(--font-serif);
    font-size: 28px;
    text-align: center;
    margin: 0 0 20px 0;
}
.auth-card .site-title-header a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s;
}
.auth-card .site-title-header a:hover {
    color: var(--accent-color);
}

.auth-card h2 {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    margin: 0 0 10px 0;
    color: var(--text-primary);
}

.auth-card .auth-description {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-size: 15px;
    line-height: 1.6;
}

.auth-card p.note {
    font-size: 13px;
    background-color: #fdfbf9;
    padding: 12px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-sizing: border-box;
    font-size: 16px;
    background-color: #fff;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus {
    border-color: var(--accent-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(108, 122, 137, 0.1);
}

button {
    width: 100%;
    padding: 14px;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

button:hover {
    background-color: #586572; /* A slightly darker shade of accent color */
}

.auth-link {
    text-align: center;
    margin-top: 25px;
}

.auth-link p {
    margin: 10px 0 0;
    font-size: 14px;
    color: var(--text-secondary);
}

.auth-link a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
}
.auth-link a:hover {
    text-decoration: underline;
}

.error-message {
    background-color: rgba(192, 57, 43, 0.08);
    color: var(--error-color);
    border: 1px solid var(--error-color);
    padding: 12px;
    border-radius: 6px;
    font-size: 14px;
    text-align: center;
    margin: 0 auto 20px auto;
}