/*
 * 基本デザイン要件:
 * 1. テーマに応じた背景色 (--block-bg):
 * - ライトテーマ: #f1f1f1 (白)
 * - ダークテーマ: #003756 (黒)
 * 2. 全ての文字色 (--text-color):
 * - ライトテーマ、ダークテーマに関わらず、常に #43b0e8 (水色)
 * 3. 全てのリンク（ロゴを含む）や、枠として機能する要素のホバー時の挙動:
 * - ホバー時以外: 背景透明、文字色を水色 (--text-color) から継承、水色の枠線
 * - ホバー時のみ: 背景 #43b0e8 (水色)、文字 #f1f1f1 (白)、水色の枠線（背景と同色）
 *
 * その他: 上記以外は全て継承し、余計な個別指定は行わない。
 */

/* ── テーマ変数 ── */
html[data-theme="light"] {
    --block-bg: #f1f1f1;
    --main-color: #43b0e8;
    --text-color: var(--main-color);
    --link-color: var(--main-color);
    --hover-bg: var(--link-color);
    --hover-text: #f1f1f1;
    --qr-dark: #111;
    --qr-light: #fff;
}

html[data-theme="dark"] {
    --block-bg: #003756;
    --main-color: #43b0e8;
    --text-color: var(--main-color);
    --link-color: var(--main-color);
    --hover-bg: var(--link-color);
    --hover-text: #f1f1f1;
    --qr-dark: #fff;
    --qr-light: #111;
}

/* ── モバイルブラウザのデフォルトスタイル無効化 ── */
.input-field,
.service-select,
.port-field,
.command-field,
.command-field-terminal,
.ip-select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

html {
    font-size: 16px;
}

/* ── ベーススタイル ── */
body {
    margin: 0;
    padding: 0 0 5em;
    font-family: 'Galano Grotesque SemiBold', 'Galano Grotesque', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans JP", "Noto Sans CJK JP", "DejaVu Sans", sans-serif;
    background-color: var(--block-bg);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* リストマーカーの削除 */
ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

/* ── メインコンテンツのコンテナ ── */
.container {
    flex-grow: 1;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-sizing: border-box;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    /* box-shadow: 0 0.25em 0.5em rgba(0, 0, 0, 0.1); */
}

.main-content {
    flex-grow: 1;
    max-width: 50em;
    width: 100%;
    margin: 2em auto;
    background: var(--block-bg);
    padding: 1.5em 1em;
    border-radius: 0.5em;
    box-sizing: border-box;
    min-width: 0;
    box-shadow: 0 0.25em 0.5em rgba(0, 0, 0, 0.1); /* ライト・ダーク共通 */
}

/* ── 新しい「枠付き要素」の汎用スタイル ── */
.bordered-element {
    display: block;
    background-color: transparent;
    color: var(--text-color);
    border: none;
    border-radius: 0.3em;
    padding: 0.8em 1em;
    box-sizing: border-box;
    text-align: left;
    text-decoration: none;
    transition: background-color 0.2s ease, color 0.2s ease;
    margin-bottom: 0.8em;
    cursor: pointer;
}

.bordered-element:hover {
    background-color: var(--hover-bg);
    color: var(--hover-text);
}

/* ── 各コンテンツセクション ── */
.content-section {
    background-color: var(--block-bg);
    border-radius: 0.3125em;
    padding: 1em;
    margin-bottom: 1em;
    box-shadow: 0 0.125em 0.25em rgba(0, 0, 0, 0.05);
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    box-sizing: border-box;
    width: 100%;
}

.section-title {
    margin: 0 0 1em;
    font-size: 1.3em;
    line-height: 1.2;
    color: var(--text-color);
}

.section-subtitle {
    font-size: 0.8em;
    color: inherit;
    font-weight: normal;
    margin-left: 0.5em;
}

h3.bordered-element {
    margin: 1em 0 0.8em;
    color: inherit;
    font-size: 1em;
    font-weight: bold;
    line-height: 1.2;
    padding: 0.8em 1em;
}

/* ── 新しい入力グループスタイル ── */
#address .input-group,
#browser .input-group,
#terminal .input-group {
    display: flex;
    gap: 0.3rem;
    margin-bottom: 1em;
}

/* ── Add/Remove ボタンコンテナ ── */
.add-remove-container {
    display: flex;
    flex-direction: column;
    gap: 0;
    flex: 0 0 auto;
}

.add-item-btn, .remove-item-btn {
    width: 2em;
    height: 1.6em;
    background-color: transparent;
    color: var(--text-color);
    border: 0.05em solid var(--text-color);
    border-radius: 0.3em;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    font-size: 1em;
    font-weight: bold;
    white-space: nowrap;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
}

.add-item-btn:hover, .remove-item-btn:hover {
    background-color: var(--hover-bg);
    color: var(--hover-text);
    border-color: var(--hover-bg);
}

.add-item-btn {
    border-bottom: none;
    border-radius: 0.3em 0.3em 0 0;
}

.remove-item-btn {
    border-top: none;
    border-radius: 0 0 0.3em 0.3em;
}

/* ── IPアドレス入力コンテナ（2倍幅） ── */
.ip-container-full {
    flex: 2;
    min-width: 8ch;
    display: flex;
    align-items: stretch;
    position: relative;
    border: 0.05em solid var(--text-color);
    border-radius: 0.3em;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.2s, border-color 0.2s;
    min-height: 2.8em; /* 修正: 3.4em → 2.8em */
}

.ip-container-full:hover {
    background-color: var(--hover-bg);
    border-color: var(--hover-bg);
}

.ip-container-full:hover .input-label {
    color: var(--hover-text);
}

.ip-container-full:hover .ip-select {
    color: var(--hover-text);
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f1f1f1' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
}

.ip-container-full:focus-within {
    background-color: var(--hover-bg);
    border-color: var(--hover-bg);
}

.ip-container-full:focus-within .input-label {
    color: var(--hover-text);
}

.ip-container-full .input-label {
    position: absolute;
    top: 0.2em;
    left: 0.5em;
    font-size: 0.7em;
    color: inherit;
    font-weight: normal;
    opacity: 0.8;
    pointer-events: none;
    transition: color 0.2s ease;
    z-index: 2;
}

.ip-container-full .input-field,
.ip-container-full .ip-select {
    width: 100%;
    border: none;
    background-color: transparent;
    color: inherit;
    font-weight: normal;
    font-size: 0.9em;
    box-sizing: border-box;
    padding: 1em 0.5em 1em 0.5em; /* 修正: パディングを調整 */
    margin: 0;
    cursor: pointer;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2343b0e8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline%20points='6,9%2012,15%2018,9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.3em bottom;
    background-size: 1em;
}

.ip-container-full .ip-select:focus {
    outline: none;
    color: var(--hover-text);
}

.ip-container-full:focus-within .ip-select {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f1f1f1' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
}

.ip-select option {
    background-color: var(--block-bg);
    color: var(--text-color);
}

/* ── サービス選択コンテナ（1:1比率・半分幅） ── */
.service-container-half {
    flex: 1;
    min-width: 4ch;
    display: flex;
    align-items: stretch;
    position: relative;
    border: 0.05em solid var(--text-color);
    border-radius: 0.3em;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.2s, border-color 0.2s;
    min-height: 2.8em; /* 修正: 3.4em → 2.8em */
}

.service-container-half:hover {
    background-color: var(--hover-bg);
    border-color: var(--hover-bg);
}

.service-container-half:hover .input-label {
    color: var(--hover-text);
}

.service-container-half:hover .service-select {
    color: var(--hover-text);
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f1f1f1' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
}

.service-container-half:focus-within {
    background-color: var(--hover-bg);
    border-color: var(--hover-bg);
}

.service-container-half:focus-within .input-label {
    color: var(--hover-text);
}

.service-container-half .input-label {
    position: absolute;
    top: 0.2em;
    left: 0.5em;
    font-size: 0.7em;
    color: inherit;
    font-weight: normal;
    opacity: 0.8;
    pointer-events: none;
    transition: color 0.2s ease;
    z-index: 2;
}

.service-container-half .service-select {
    width: 100%;
    border: none;
    border-radius: 0;
    background-color: transparent;
    color: inherit;
    font-weight: normal;
    font-size: 0.9em;
    box-sizing: border-box;
    padding: 1em 0.5em 1em 0.5em; /* 修正: パディングを調整 */
    margin: 0;
    cursor: pointer;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2343b0e8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline%20points='6,9%2012,15%2018,9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.3em bottom;
    background-size: 1em;
}

.service-container-half .service-select:focus {
    outline: none;
    color: var(--hover-text);
}

.service-container-half:focus-within .service-select {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f1f1f1' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
}

.service-select option {
    background-color: var(--block-bg);
    color: var(--text-color);
}

/* ── ポート入力コンテナ（1:1比率・半分幅） ── */
.port-container-half {
    flex: 1;
    min-width: 4ch;
    display: flex;
    align-items: stretch;
    position: relative;
    border: 0.05em solid var(--text-color);
    border-radius: 0.3em;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.2s, border-color 0.2s;
    min-height: 2.8em; /* 修正: 3.4em → 2.8em */
}

.port-container-half:focus-within {
    background-color: var(--hover-bg);
    border-color: var(--hover-bg);
}

.port-container-half .port-label {
    position: absolute;
    top: 0.2em;
    left: 0.5em;
    font-size: 0.7em;
    color: inherit;
    font-weight: normal;
    opacity: 0.8;
    pointer-events: none;
    transition: color 0.2s ease;
    z-index: 2;
}

.port-container-half:focus-within .port-label {
    color: var(--hover-text);
}

.port-container-half .port-field {
    width: 100%;
    border: none;
    border-radius: 0;
    background-color: transparent;
    color: inherit;
    font-weight: normal;
    font-size: 0.9em;
    box-sizing: border-box;
    padding: 1em 0.5em 1em 0.5em; /* 修正: パディングを調整 */
    margin: 0;
}

.port-container-half .port-field:focus {
    outline: none;
    color: var(--hover-text);
}

/* ── ターミナル用コマンド入力コンテナ（1:1比率・半分幅） ── */
.command-container-half {
    flex: 1;
    min-width: 4ch;
    display: flex;
    align-items: stretch;
    position: relative;
    border: 0.05em solid var(--text-color);
    border-radius: 0.3em;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.2s, border-color 0.2s;
    min-height: 2.8em; /* 修正: 3.4em → 2.8em */
}

.command-container-half:focus-within {
    background-color: var(--hover-bg);
    border-color: var(--hover-bg);
}

.command-container-half .command-label {
    position: absolute;
    top: 0.2em;
    left: 0.5em;
    font-size: 0.7em;
    color: inherit;
    font-weight: normal;
    opacity: 0.8;
    pointer-events: none;
    transition: color 0.2s ease;
    z-index: 2;
}

.command-container-half:focus-within .command-label {
    color: var(--hover-text);
}

.command-container-half .command-field-terminal {
    width: 100%;
    border: none;
    border-radius: 0;
    background-color: transparent;
    color: inherit;
    font-weight: normal;
    font-size: 0.9em;
    box-sizing: border-box;
    padding: 1em 0.5em 1em 0.5em; /* 修正: パディングを調整 */
    margin: 0;
}

.command-container-half .command-field-terminal:focus {
    outline: none;
    color: var(--hover-text);
}

/* ── コマンド入力コンテナ（ワイド） ── */
.command-input-container {
    width: 100%;
    display: flex;
    align-items: stretch;
    position: relative;
    border: 0.05em solid var(--text-color);
    border-radius: 0.3em;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.2s, border-color 0.2s;
    min-height: 2.8em; /* 修正: 3.4em → 2.8em */
    margin-bottom: 1em;
}

.command-input-container:focus-within {
    background-color: var(--hover-bg);
    border-color: var(--hover-bg);
}

.command-input-container .input-label {
    position: absolute;
    top: 0.2em;
    left: 0.5em;
    font-size: 0.7em;
    color: inherit;
    font-weight: normal;
    opacity: 0.8;
    pointer-events: none;
    transition: color 0.2s ease;
    z-index: 2;
}

.command-input-container:focus-within .input-label {
    color: var(--hover-text);
}

.command-input-container .command-field {
    width: 100%;
    border: none;
    border-radius: 0;
    background-color: transparent;
    color: inherit;
    font-weight: normal;
    font-size: 0.9em;
    box-sizing: border-box;
    padding: 1em 0.5em 1em 0.5em; /* 修正: パディングを調整 */
    margin: 0;
}

.command-input-container .command-field:focus {
    outline: none;
    color: var(--hover-text);
}

/* ── 更新ボタン（独立） ── */
.update-button-standalone {
    flex: 0 0 auto;
    background-color: transparent;
    color: var(--text-color);
    border: 0.05em solid var(--text-color);
    border-radius: 0.3em;
    padding: 1em 0.5em; /* 修正: パディングを調整 */
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    font-size: 0.9em;
    white-space: nowrap;
    box-sizing: border-box;
    min-height: 2.8em; /* 修正: 3.4em → 2.8em */
}

.update-button-standalone:hover {
    background-color: var(--hover-bg);
    color: var(--hover-text);
    border-color: var(--hover-bg);
}

/* ── Openボタン（独立） ── */
.open-button-standalone {
    flex: 0 0 auto;
    background-color: transparent;
    color: var(--text-color);
    border: 0.05em solid var(--text-color);
    margin-left: 0;
    margin-right: 0;
    border-radius: 0.3em;
    padding: 1em 0.3em; /* 修正: パディングを調整 */
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    font-size: 0.9em;
    white-space: nowrap;
    box-sizing: border-box;
    min-height: 2.8em; /* 修正: 3.4em → 2.8em */
}

.open-button-standalone:hover {
    background-color: var(--hover-bg);
    color: var(--hover-text);
    border-color: var(--hover-bg);
}

/* ── ターミナルコントロールグループ ── */
.terminal-controls-group {
    margin-bottom: 1.5em;
}

/* ── QRコード部分 ── */
.qr-code-section {
    margin-top: 1em;
    padding: 0;
}

.qr-code-section:not([open]):hover {
    background-color: var(--hover-bg);
    border-color: var(--hover-bg);
}

.qr-code-section:not([open]):hover .qr-code-summary,
.qr-code-section:not([open]):hover .qr-code-summary:before {
    color: var(--hover-text);
}

.qr-code-section[open]:hover {
    background-color: transparent;
    border-color: var(--text-color);
}

.qr-code-section[open]:hover .qr-code-summary,
.qr-code-section[open]:hover .qr-code-summary:before {
    color: var(--text-color);
}

.qr-code-section .qr-code-summary {
    text-align: left;
    cursor: pointer;
    color: inherit;
    padding: 0.8em 1em;
    list-style: none;
    transition: color 0.2s ease;
}

.qr-code-section .qr-code-summary::-webkit-details-marker,
.qr-code-section .qr-code-summary::marker {
    display: none;
}

.qr-code-section .qr-code-summary:before {
    content: "►";
    display: inline-block;
    margin-right: 0.5em;
    transition: transform 0.2s ease, color 0.2s ease;
    color: inherit;
}

.qr-code-section[open] .qr-code-summary:before {
    content: "▼";
    transform: rotate(0deg);
}

.qr-code-section .qr-code-canvas {
    margin-top: 1em;
    padding-left: 1em;
    padding-right: 1em;
    padding-bottom: 1em;
    text-align: center;
}

.handler-details-section .details-content {
    padding-left: 1em;
    padding-right: 1em;
    padding-bottom: 1em;
}

.handler-details-section .details-content p {
    margin-top: 1em;
    margin-bottom: 1em;
    font-size: 0.9em;
    line-height: 1.4;
    color: inherit;
}

.qr-code-section .qr-code-canvas canvas {
    display: block;
    margin: 0 auto;
}

/* ── リンクリスト ── */
.link-list {
    margin-top: 0;
    padding: 0;
}

.link-list li {
    margin-bottom: 0.8em;
}

.link-item {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
}

.link-item .link-text {
    font-weight: bold;
    color: inherit;
    white-space: nowrap;
}

.link-item .link-note {
    font-size: 0.85em;
    color: inherit;
    display: inline;
    margin-left: 0.5em;
    white-space: nowrap;
}

.link-item .ip-display {
    font-size: 0.9em;
    color: inherit;
    margin-left: 0.5em;
    white-space: nowrap;
    flex-shrink: 0;
}

/* ── 動的サービスリンクの特別なスタイル ── */
.link-item .service-ip,
.link-item .service-port {
    font-weight: bold;
    color: inherit;
    transition: color 0.2s ease;
}

/* ── ホバー時の色反転スタイル（動的リンク要素内のすべての要素） ── */
.bordered-element:hover .service-ip,
.bordered-element:hover .service-port,
.bordered-element:hover .link-text,
.bordered-element:hover .link-note,
.bordered-element:hover .ip-display {
    color: var(--hover-text);
}

/* ── ヘッダー ── */
.main-header {
    position: relative;
    background-color: var(--block-bg);
    max-width: 50em; /* 最大幅800px */
    margin: 0 auto; /* 中央揃え */
    width: 100%;
    box-shadow: 0 0.25em 0.5em rgba(0, 0, 0, 0.1); /* 影を統一 */
    border-color: transparent;
    box-sizing: border-box;
}

.main-header .header-inner {
    max-width: 50em;
    width: 100%;
    margin: 0 auto;
    padding: 1.5em 1em;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1em;   
    box-sizing: border-box;
}

.main-header .logo-container {
    text-align: center;
    width: 100%;
}

.main-header .logo-container a {
    background-color: transparent;
    border: none;
    padding: 0;
    display: inline-block;
    color: var(--text-color);
    text-decoration: none;
    transition: none;
}

.main-header .logo-container a:hover {
    background-color: var(--hover-bg);
    color: var(--text-color);
    text-decoration: none;
}

.main-header .logo-container .site-logo {
    width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    max-width: clamp(160px, 80vw, 800px);
}

/* ── フッター ── */
.page-footer-area {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    max-width: 50em; /* 最大幅800px */
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    padding: 1em;
    background-color: var(--block-bg);
    box-shadow: 0 0.25em 0.5em rgba(0, 0, 0, 0.1); /* 影を統一 */
    border-color: transparent;
    box-sizing: border-box;
    z-index: 100;
}

.page-footer-area .footer-inner-flex {
    max-width: 50em;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1em;
}

.page-footer-area .copyright-text {
    font-size: 1em;
    line-height: 1;
    color: var(--text-color);
}

.page-footer-area .footer-link {
    color: var(--text-color);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1em;
    line-height: 1;
    padding: 0.25em 0.5em;
    border: 0.05em solid transparent;
    border-radius: 0.3em;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    box-sizing: border-box;
    white-space: nowrap;
    vertical-align: middle;
}

.page-footer-area .footer-link:hover {
    background-color: var(--hover-bg);
    color: var(--hover-text);
    border-color: var(--hover-bg);
}

.page-footer-area .separator {
    color: var(--text-color);
    margin: 0 0.3em;
    font-size: 1em;
    line-height: 1;
    vertical-align: middle;
}

/* 言語・テーマボタンの共通スタイル */
.lang-button,
.theme-button {
    background: transparent;
    border: 0.05em solid transparent;
    padding: 0.25em 0.5em;
    border-radius: 0.3em;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
    font-size: 1em;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
}

.lang-button:hover,
.theme-button:hover {
    background-color: var(--hover-bg);
    color: var(--hover-text);
    border-color: var(--hover-bg);
}

.lang-button.selected,
.theme-button.selected {
    background-color: var(--hover-bg);
    color: var(--hover-text);
    border-color: var(--hover-bg);
}

.lang-button.selected:hover,
.theme-button.selected:hover {
    background-color: var(--hover-bg);
    border-color: var(--hover-bg);
}

.language-selector,
.theme-selector {
    display: flex;
    align-items: center;
    gap: 0.3em;
}