/* =============================================================
   common.css  – サイト共通スタイル（meraldreen.com）
   ============================================================= */

:root {
    --bg-body:       #0d1117;
    --bg-secondary:  #131a24;
    --panel-bg:      #161e2d;
    --border-color:  #1f3050;
    --accent:        #00cc66;
    --accent-hover:  #00e673;
    --text-main:     #d0dce8;
    --text-muted:    #5a7a9a;
    --input-bg:      #0d1825;
    --danger:        #e74c3c;
    --danger-hover:  #c0392b;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    background: var(--bg-body);
    color: var(--text-main);
    font-family: 'Segoe UI', 'Hiragino Kaku Gothic ProN', 'Meiryo', sans-serif;
    font-size: 14px;
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }

/* ---- 管理共通レイアウト ---- */
.admin-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    background: var(--panel-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 0.6rem 1rem;
}
.admin-nav .nav-brand {
    font-weight: bold;
    color: var(--accent);
    margin-right: 1rem;
    text-decoration: none;
    font-size: 0.9rem;
}
.admin-nav .nav-links { display: flex; gap: 0.3rem; flex-wrap: wrap; }
.admin-nav .nav-links a {
    color: var(--text-muted);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
    text-decoration: none;
    transition: color 0.15s, background 0.15s;
}
.admin-nav .nav-links a:hover { color: var(--text-main); background: rgba(255,255,255,0.05); }
.admin-nav .nav-logout { color: #e57373 !important; margin-left: 0.5rem; }

.admin-content {
    max-width: 960px;
    margin: 0 auto;
    padding: 1.5rem 1rem;
}
.admin-content h2 {
    font-size: 1.1rem;
    color: var(--accent);
    border-left: 3px solid var(--accent);
    padding-left: 0.6rem;
    margin-bottom: 1rem;
}
.admin-content h3 {
    font-size: 0.95rem;
    color: var(--text-main);
    margin-bottom: 0.8rem;
}

/* ---- フォーム共通 ---- */
.admin-form { display: flex; flex-direction: column; gap: 0.8rem; max-width: 600px; }
.form-row { display: flex; flex-direction: column; gap: 0.3rem; }
.form-row label { font-size: 0.82rem; color: var(--text-muted); }

input[type="text"],
input[type="number"],
input[type="password"],
select,
textarea {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-main);
    padding: 0.5rem 0.7rem;
    font-size: 0.9rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.15s;
}
input[type="text"]:focus,
input[type="number"]:focus,
input[type="password"]:focus,
select:focus,
textarea:focus { border-color: var(--accent); }

input.input-full, select.input-full { width: 100%; }
input.input-sm { padding: 0.3rem 0.5rem; font-size: 0.85rem; }
textarea { resize: vertical; min-height: 80px; width: 100%; }

/* ---- ボタン ---- */
.btn-primary {
    background: var(--accent);
    color: #000;
    font-weight: bold;
    border: none;
    border-radius: 4px;
    padding: 0.55rem 1.2rem;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.15s;
    align-self: flex-start;
}
.btn-primary:hover { background: var(--accent-hover); }

.btn-small {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
    border-radius: 4px;
    padding: 0.25rem 0.6rem;
    cursor: pointer;
    font-size: 0.78rem;
    transition: background 0.15s, color 0.15s;
}
.btn-small:hover { background: var(--accent); color: #000; }

.btn-danger {
    color: var(--danger) !important;
    border-color: var(--danger) !important;
}
.btn-danger:hover { background: var(--danger) !important; color: #fff !important; }

/* ---- テーブル ---- */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}
.admin-table th {
    background: var(--bg-secondary);
    color: var(--text-muted);
    padding: 0.5rem 0.7rem;
    text-align: left;
    font-weight: normal;
    border-bottom: 1px solid var(--border-color);
}
.admin-table td {
    padding: 0.45rem 0.7rem;
    border-bottom: 1px solid rgba(31,48,80,0.5);
    vertical-align: middle;
}
.admin-table tr:hover td { background: rgba(0,204,102,0.03); }

/* ---- メッセージ ---- */
.msg-success {
    background: rgba(0,204,102,0.12);
    border: 1px solid rgba(0,204,102,0.3);
    color: var(--accent);
    border-radius: 4px;
    padding: 0.5rem 0.9rem;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}
.msg-error {
    background: rgba(231,76,60,0.12);
    border: 1px solid rgba(231,76,60,0.3);
    color: #ff6b6b;
    border-radius: 4px;
    padding: 0.5rem 0.9rem;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.text-muted { color: var(--text-muted); }