/* 全体設定 */
html,
body {
    height: 100dvh;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background: #000;
    color: #fff;
    text-align: center;
    position: fixed;
    width: 100%;
}

.screen {
    display: none;
    padding: 10px;
    flex-direction: column;
    align-items: center;
    height: 100%;
    width: 100%;
    box-sizing: border-box;
}

.active {
    display: flex;
}

/* 復活：オレンジ色のインストールボタン */
#install-area {
    width: 100%;
    max-width: 600px;
    flex-shrink: 0;
    display: none;
    margin-bottom: 5px;
}

#install-button {
    width: 100%;
    padding: 12px;
    background: #ff9800;
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
}

/* ヘッダー：3カラムグリッドでタイトルを完全に中央配置 */
.header {
    width: 100%;
    max-width: 600px;
    display: grid;
    grid-template-columns: 50px 1fr 50px;
    align-items: center;
    min-height: 50px;
    flex-shrink: 0;
}

.header-spacer {
    width: 50px;
}

h2 {
    font-size: 1.1rem;
    margin: 0;
    color: #aaa;
}

.header-btn {
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 10px;
    width: 50px !important;
    height: 50px !important;
}

#lang-btn {
    font-size: 1.2rem;
    font-weight: bold;
}

/* カメラエリア */
#video-container {
    position: relative;
    width: 100%;
    max-width: 600px;
    flex-grow: 1;
    min-height: 0;
    overflow: hidden;
    background: #222;
    border-radius: 10px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 正円のライトボタン */
.torch-container {
    position: absolute;
    top: 10px;
    right: 10px;
}

.icon-btn {
    width: 48px !important;
    height: 48px !important;
    min-width: 48px !important;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid #444;
    border-radius: 50% !important;
    color: white;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

/* ズームスライダー */
#zoom-slider-container {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    padding: 5px 15px;
    border-radius: 20px;
}

#zoom-slider {
    width: 100%;
    cursor: pointer;
}

/* 専用アクションカード（Wi-Fi/連絡先用） */
.special-card {
    width: 100%;
    max-width: 600px;
    background: #1a1a1a;
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 10px;
    border-left: 5px solid #007bff;
    box-sizing: border-box;
    text-align: left;
    display: none;
}

.special-card h3 {
    margin: 0 0 10px 0;
    font-size: 1rem;
    color: #007bff;
}

.special-info {
    font-size: 0.9rem;
    color: #ddd;
    margin-bottom: 10px;
    line-height: 1.4;
}

/* 結果入力欄の拡大 */
#result-text {
    width: 100%;
    flex-grow: 1;
    min-height: 150px;
    font-size: 16px;
    padding: 15px;
    border-radius: 5px;
    box-sizing: border-box;
    margin-bottom: 10px;
    background: #fff;
    color: #000;
    border: none;
}

/* 履歴リスト：横溢れ防止 */
#history-list {
    width: 100%;
    flex-grow: 1;
    overflow-y: auto;
    overflow-x: hidden;
    text-align: left;
    margin-bottom: 10px;
    padding: 0 5px;
    box-sizing: border-box;
}

.list-item {
    background: #1a1a1a;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 10px;
    width: 100%;
    box-sizing: border-box;
}

.history-item {
    flex-direction: column;
    align-items: flex-start;
    border-left: 4px solid #007bff;
}

.history-data {
    word-break: break-all;
    overflow-wrap: anywhere;
    width: 100%;
    margin: 8px 0;
    font-size: 0.9rem;
}

/* 作成画面の入力フォーム */
.type-select {
    width: 100%;
    max-width: 600px;
    padding: 12px;
    background: #222;
    color: #fff;
    border: 1px solid #444;
    border-radius: 8px;
    margin-bottom: 15px;
    font-size: 1rem;
}

.gen-inputs-container {
    width: 100%;
    max-width: 600px;
}

.gen-inputs-container input,
.gen-inputs-container select {
    width: 100%;
    padding: 12px;
    margin-bottom: 8px;
    border-radius: 8px;
    border: none;
    box-sizing: border-box;
    font-size: 1rem;
}

/* QRコード出力エリア（白枠付き） */
#qrcode-output {
    background: #fff;
    padding: 10px;
    display: inline-block;
    border-radius: 8px;
    margin: 20px 0;
}

/* 共通ボタン設定 */
.bottom-ui {
    width: 100%;
    max-width: 600px;
    flex-shrink: 0;
}

.btn-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    width: 100%;
}

button {
    width: 100%;
    padding: 15px;
    margin: 5px 0;
    font-size: 1rem;
    font-weight: bold;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    flex-shrink: 0;
}

.btn-blue {
    background: #007bff;
    color: white;
}

.btn-green {
    background: #28a745;
    color: white;
}

.btn-gray {
    background: #555;
    color: white;
}

.btn-red {
    background: #dc3545;
    color: white;
}

/* 設定画面用スイッチ */
.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #444;
    border-radius: 34px;
    transition: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    border-radius: 50%;
    transition: .4s;
}

input:checked+.slider {
    background-color: #28a745;
}

input:checked+.slider:before {
    transform: translateX(24px);
}