/* =========================================================
   お絵描き自由帳 v5.0.0
   固定ヘッダー＋全画面キャンバス＋左右ボタンドック（ホバー/タップ フライアウト）
   ぬりえモード／ローカルストレージ自動保存／背景グラデーション設定 対応
   全て .da-wrap 配下にスコープ
   ========================================================= */

.da-wrap {
    --main:#1e3a5f; --main-light:#2d5a8f; --main-dark:#0f1e3a;
    --accent:#d4af37; --accent-light:#f4cf5f; --accent-dark:#b8941f;
    --text:#2C3E50; --text-light:#7F8C8D; --border:#E8E8E8;
    --danger:#ef4444; --success:#3dbf7b;
    --font: 'M PLUS Rounded 1c', 'BIZ UDGothic', system-ui, -apple-system, "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;

    box-sizing: border-box;
    font-family: var(--font);
    font-size: 13px;
    user-select: none;
    margin: 0 !important;
    padding: 0 !important;
}
.da-wrap * { box-sizing: border-box; }
.da-hidden { display: none !important; }

/* ===== キャンバスサイズ選択 POPUP ===== */
.da-size-popup {
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,.72);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}
.da-size-popup-inner {
    background: #fff;
    border-radius: 16px;
    padding: 36px 40px;
    box-shadow: 0 12px 48px rgba(0,0,0,0.4);
    text-align: center;
    max-width: 520px;
    width: 90%;
}
.da-size-title {
    font-size: 18px;
    font-weight: 900;
    color: var(--main);
    margin: 0 0 24px;
}
.da-continue-btn {
    display: block;
    width: 100%;
    border: none;
    border-radius: 12px;
    padding: 14px;
    margin-bottom: 20px;
    font-weight: 900;
    font-size: 14px;
    cursor: pointer;
    background: var(--accent);
    color: var(--main-dark);
    font-family: inherit;
    transition: background .15s, transform .15s;
}
.da-continue-btn:hover { background: var(--accent-light); transform: translateY(-2px); }

/* 起動時モード選択（おえかき／ぬりえ） */
.da-mode-row-start { gap: 16px; margin-bottom: 4px; }
.da-mode-btn.da-mode-btn-lg {
    padding: 28px 16px;
    border-width: 2px;
    border-radius: 16px;
}
.da-mode-btn.da-mode-btn-lg svg { width: 30px; height: 30px; }
.da-mode-btn.da-mode-btn-lg span { font-size: 15px; }

/* ===== アプリ外枠 ===== */
.da-app {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100vh;
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

/* ===== 固定ヘッダー ===== */
.da-header {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 20px;
    background: var(--main);
    color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,.15);
    z-index: 10;
}
.da-title {
    margin: 0;
    font-size: 18px;
    font-weight: 900;
    letter-spacing: .02em;
    white-space: nowrap;
}
.da-header-spacer { flex: 1; }
.da-page-add-quick {
    flex-shrink: 0;
    width: 34px; height: 34px;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,.14);
    color: #fff;
    transition: background .15s, transform .15s;
    padding: 0;
}
.da-page-add-quick svg {
    width: 18px; height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2.2;
    stroke-linecap: round;
}
.da-page-add-quick:hover { background: rgba(255,255,255,.26); transform: translateY(-1px); }

/* ===== ページナビゲーション（前へ／表示・タップで一覧／次へ） ===== */
.da-page-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}
.da-page-arrow {
    flex-shrink: 0;
    width: 30px; height: 30px;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,.14);
    color: #fff;
    padding: 0;
    transition: background .15s, transform .15s;
}
.da-page-arrow svg {
    width: 16px; height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2.4;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.da-page-arrow:hover:not(:disabled) { background: rgba(255,255,255,.26); }
.da-page-arrow:disabled { opacity: .3; cursor: not-allowed; }

.da-page-pill-text {
    flex-shrink: 0;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 52px;
    padding: 8px 16px;
    border-radius: 999px;
    background: rgba(255,255,255,.14);
    color: #fff;
    font-size: 13px;
    font-weight: 800;
    font-family: inherit;
    cursor: pointer;
    user-select: none;
    transition: background .15s;
}
.da-page-pill-text:hover { background: rgba(255,255,255,.26); }
.da-page-pill-text span { font-size: 15px; font-weight: 900; margin-left: 2px; }

/* ===== 全画面キャンバスエリア ===== */
.da-canvas-area {
    flex: 1;
    min-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
}
/* 背景グラデーション プリセット（設定フライアウトから切り替え） */
.da-canvas-area.da-bg-ocean  { background: linear-gradient(135deg,#0ea5e9,#6366f1,#8b5cf6); }
.da-canvas-area.da-bg-sunset { background: linear-gradient(135deg,#f97316,#ec4899,#8b5cf6); }
.da-canvas-area.da-bg-forest { background: linear-gradient(135deg,#22c55e,#14b8a6,#0891b2); }
.da-canvas-area.da-bg-candy  { background: linear-gradient(135deg,#f472b6,#fb923c,#facc15); }
.da-canvas-area.da-bg-mono   { background: linear-gradient(135deg,#e2e8f0,#cbd5e1); }

.da-canvas-area canvas {
    display: block;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0,0,0,.15);
    cursor: crosshair;
    touch-action: none;
    max-width: 100%;
    max-height: 100%;
    width: auto !important;
    height: auto !important;
    object-fit: contain;
}

/* ===== 左 描画ツール ボタンドック ===== */
.da-tool-dock {
    position: fixed;
    left: 20px;
    bottom: 20px;
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    gap: 10px;
    max-height: calc(100vh - 100px);
    z-index: 50;
}
.da-dbtn {
    width: 48px; height: 48px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    color: var(--main);
    box-shadow: 0 4px 14px rgba(0,0,0,.2);
    transition: transform .15s, box-shadow .15s, background .15s, color .15s;
    padding: 0;
    flex-shrink: 0;
}
.da-dbtn svg {
    width: 22px; height: 22px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.da-dbtn:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(0,0,0,.28); }
.da-dbtn:active { transform: translateY(0); }
.da-dbtn.active {
    background: var(--accent);
    color: var(--main-dark);
    box-shadow: 0 4px 14px rgba(212,175,55,.5);
}

/* ===== ホバー／タップで開くフライアウト（図形・色・太さ・背景の濃さ・設定 共通） ===== */
.da-dock-group { position: relative; flex-shrink: 0; }

.da-color-preview {
    width: 22px; height: 22px;
    border-radius: 50%;
    display: block;
    border: 2px solid rgba(0,0,0,.1);
}

.da-flyout {
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translate(-8px, -50%);
    margin-left: 12px;
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 8px;
    background: #fff;
    border-radius: 999px;
    padding: 8px 10px;
    box-shadow: 0 8px 24px rgba(0,0,0,.25);
    opacity: 0;
    pointer-events: none;
    transition: opacity .15s, transform .15s;
    z-index: 60;
    white-space: nowrap;
}
/* 右側ツールバー用：ボタンの左側に開く（縦積みのスライダー/スウォッチ表示） */
.da-flyout-left {
    left: auto;
    right: 100%;
    margin-left: 0;
    margin-right: 12px;
    transform: translate(8px, -50%);
    border-radius: 16px;
    flex-direction: column;
    align-items: stretch;
    width: 190px;
    padding: 14px 16px;
    white-space: normal;
}
/* 色フライアウトは横一列表示（折り返さない） */
.da-flyout-color { border-radius: 999px; }

/* 左ドック用：右側に開く縦積みレイアウト（ぬりえ設定など複数スライダー用） */
.da-flyout-tall {
    flex-direction: column;
    align-items: stretch;
    width: 190px;
    padding: 14px 16px;
    white-space: normal;
    border-radius: 16px;
}
.da-modal-label-spaced { margin-top: 14px; }

/* 用紙サイズ（設定フライアウト内） */
.da-paper-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.da-paper-btn {
    flex: 1 1 calc(50% - 6px);
    min-width: 64px;
    border: 2px solid var(--border);
    border-radius: 8px;
    padding: 8px 4px;
    font-size: 11px;
    font-weight: 800;
    color: var(--text);
    background: #f8fafc;
    cursor: pointer;
    font-family: inherit;
    transition: all .12s;
}
.da-paper-btn:hover { border-color: var(--main-light); }
.da-paper-btn.active { border-color: var(--accent); background: #fff8e5; color: var(--main-dark); }

.da-settings-action {
    display: block;
    width: 100%;
    margin-top: 14px;
    border: none;
    border-radius: 10px;
    padding: 10px;
    font-weight: 800;
    font-size: 13px;
    cursor: pointer;
    background: var(--main);
    color: #fff;
    font-family: inherit;
    transition: background .12s;
}
.da-settings-action:hover { background: var(--main-light); }

.da-dock-group:hover > .da-flyout,
.da-dock-group.da-flyout-open > .da-flyout {
    opacity: 1;
    pointer-events: auto;
    transform: translate(0, -50%);
}

.da-fbtn {
    width: 40px; height: 40px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f1f5f9;
    color: var(--main);
    flex-shrink: 0;
    transition: background .12s, transform .12s;
}
.da-fbtn svg {
    width: 20px; height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.da-fbtn:hover { transform: translateY(-2px); }
.da-fbtn.active { background: var(--accent); color: var(--main-dark); }

/* ===== ペン先選択（□/○） ===== */
.da-tip-row {
    display: flex;
    gap: 8px;
}
.da-tip-btn {
    flex: 1;
    height: 38px;
    border-radius: 10px;
    border: 2px solid var(--border);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8fafc;
    color: var(--main);
    transition: all .12s;
}
.da-tip-btn svg {
    width: 16px; height: 16px;
    fill: currentColor;
    stroke: none;
}
.da-tip-btn:hover { border-color: var(--main-light); }
.da-tip-btn.active { border-color: var(--accent); background: #fff8e5; color: var(--main-dark); }

/* ===== ぬりえ下絵の自由移動（トグル＋リセット） ===== */
.da-move-row {
    display: flex;
    gap: 8px;
}
.da-move-toggle {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 8px;
    border-radius: 10px;
    border: 2px solid var(--border);
    background: #f8fafc;
    color: var(--main);
    cursor: pointer;
    font-family: inherit;
    font-size: 12px;
    font-weight: 800;
    transition: all .12s;
}
.da-move-toggle svg {
    width: 16px; height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.da-move-toggle:hover { border-color: var(--main-light); }
.da-move-toggle.active { border-color: var(--accent); background: #fff8e5; color: var(--main-dark); }
.da-move-reset {
    width: 38px;
    flex-shrink: 0;
    border-radius: 10px;
    border: 2px solid var(--border);
    background: #f8fafc;
    color: var(--main);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}
.da-move-reset svg {
    width: 16px; height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.da-move-reset:hover { border-color: var(--main-light); }

/* ===== 背景グラデーション スウォッチ（設定フライアウト内） ===== */
.da-grad-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.da-grad-swatch {
    width: 30px; height: 30px;
    border-radius: 50%;
    border: 2px solid var(--border);
    cursor: pointer;
    flex-shrink: 0;
    transition: transform .12s;
    padding: 0;
}
.da-grad-swatch[data-bg="ocean"]  { background: linear-gradient(135deg,#0ea5e9,#6366f1,#8b5cf6); }
.da-grad-swatch[data-bg="sunset"] { background: linear-gradient(135deg,#f97316,#ec4899,#8b5cf6); }
.da-grad-swatch[data-bg="forest"] { background: linear-gradient(135deg,#22c55e,#14b8a6,#0891b2); }
.da-grad-swatch[data-bg="candy"]  { background: linear-gradient(135deg,#f472b6,#fb923c,#facc15); }
.da-grad-swatch[data-bg="mono"]   { background: linear-gradient(135deg,#e2e8f0,#cbd5e1); }
.da-grad-swatch:hover { transform: scale(1.15); }
.da-grad-swatch.active { outline: 2.5px solid var(--accent); outline-offset: 2px; }

/* ===== 右下 縦型アイコンツールバー ===== */
.da-toolbar {
    position: fixed;
    right: 20px;
    bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    z-index: 50;
}
.da-tbtn {
    width: 54px; height: 54px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    color: var(--main);
    box-shadow: 0 4px 14px rgba(0,0,0,.2);
    transition: transform .15s, box-shadow .15s, background .15s, color .15s;
    padding: 0;
}
.da-tbtn svg {
    width: 24px; height: 24px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.da-tbtn:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(0,0,0,.28); }
.da-tbtn:active { transform: translateY(0); }
.da-tbtn.da-primary { background: var(--accent); color: var(--main-dark); }
.da-tbtn.da-danger:hover { background: var(--danger); color: #fff; }
.da-tbtn.da-save:hover { background: var(--success); color: #fff; }
.da-tbtn:disabled { opacity: .35; cursor: not-allowed; transform: none; box-shadow: 0 4px 14px rgba(0,0,0,.2); }

/* ===== モーダル 共通 ===== */
.da-modal-overlay {
    position: fixed; inset: 0;
    background: rgba(15,23,42,.55);
    display: flex; align-items: center; justify-content: center;
    z-index: 100;
    opacity: 0; pointer-events: none;
    transition: opacity .2s;
    padding: 16px;
}
.da-modal-overlay.da-open { opacity: 1; pointer-events: auto; }
.da-modal {
    background: #fff;
    border-radius: 16px;
    padding: 24px;
    width: min(400px, 92vw);
    max-height: 88vh;
    overflow-y: auto;
    box-shadow: 0 20px 50px rgba(0,0,0,.3);
}
.da-modal h2 {
    margin: 0 0 16px 0;
    font-size: 18px;
    font-weight: 900;
    color: var(--main);
}
.da-modal-section { margin-bottom: 16px; }
.da-modal-label {
    font-size: 12px;
    font-weight: 800;
    color: var(--text-light);
    margin-bottom: 8px;
}
.da-modal-label span { color: var(--main); font-size: 14px; }
.da-modal-actions {
    margin-top: 8px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.da-modal-close {
    width: 100%;
    border: none;
    border-radius: 10px;
    padding: 12px;
    font-weight: 800;
    font-size: 14px;
    cursor: pointer;
    background: #f1f5f9;
    color: var(--main);
    font-family: inherit;
}
.da-modal-close:hover { background: #e2e8f0; }

/* ===== 色選択（左ドックのフライアウト内） ===== */
.da-qdot {
    width: 30px; height: 30px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid var(--border);
    flex-shrink: 0;
    transition: transform 0.12s;
}
.da-qdot:hover { transform: scale(1.15); }
.da-qdot.active { outline: 2.5px solid var(--accent); outline-offset: 2px; }
.da-custom-color-wrap {
    width: 30px; height: 30px;
    border-radius: 50%;
    overflow: hidden;
    cursor: pointer;
    border: 2px dashed var(--text-light);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.da-custom-color-wrap input[type=color] {
    width: 40px; height: 40px;
    border: none; padding: 0; cursor: pointer; background: none;
}

/* ===== 横スライダー（太さ・背景の濃さ） ===== */
.da-hslider {
    width: 100%;
    accent-color: var(--accent);
    cursor: pointer;
}

/* ===== ページ管理モーダル ===== */
.da-page-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 260px;
    overflow-y: auto;
    margin-bottom: 16px;
}
.da-page-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border-radius: 10px;
    border: 2px solid var(--border);
    cursor: pointer;
    background: #f8fafc;
    transition: all .12s;
}
.da-page-item:hover { border-color: var(--main-light); }
.da-page-item.active { border-color: var(--accent); background: #fff8e5; }
.da-page-thumb {
    width: 48px; height: 36px;
    border-radius: 4px;
    border: 1px solid var(--border);
    object-fit: cover;
    background: #fff;
    flex-shrink: 0;
}
.da-page-name { flex: 1; font-size: 13px; font-weight: 800; color: var(--text); }
.da-page-del {
    width: 26px; height: 26px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--text-light);
    cursor: pointer;
    font-size: 13px;
    flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    transition: all .12s;
}
.da-page-del:hover { background: var(--danger); color: #fff; }

/* ===== 新しいページ：モード選択（おえかき／ぬりえ） ===== */
.da-mode-row {
    display: flex;
    gap: 10px;
}
.da-mode-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 14px 8px;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: #f8fafc;
    cursor: pointer;
    transition: all .12s;
    font-family: inherit;
}
.da-mode-btn svg {
    width: 22px; height: 22px;
    fill: none;
    stroke: var(--main);
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.da-mode-btn span { font-size: 12px; font-weight: 800; color: var(--text); }
.da-mode-btn:hover { border-color: var(--main-light); transform: translateY(-2px); }
.da-mode-btn:disabled { opacity: .4; cursor: not-allowed; transform: none; }
.da-mode-hint {
    margin: 8px 0 0;
    font-size: 11px;
    color: var(--text-light);
    line-height: 1.5;
}

/* ===== レスポンシブ ===== */
@media (max-width: 600px) {
    .da-app { height: 100svh; min-height: 100svh; }
    .da-title { font-size: 15px; }
    .da-tbtn { width: 46px; height: 46px; }
    .da-tbtn svg { width: 20px; height: 20px; }
    .da-toolbar { right: 12px; bottom: 12px; gap: 10px; }
    .da-dbtn { width: 40px; height: 40px; }
    .da-dbtn svg { width: 18px; height: 18px; }
    .da-tool-dock { left: 12px; bottom: 12px; gap: 8px; max-height: calc(100vh - 80px); }
    .da-fbtn { width: 36px; height: 36px; }
    .da-fbtn svg { width: 18px; height: 18px; }
    .da-flyout-left { width: 160px; padding: 12px 14px; }
    .da-page-arrow { width: 26px; height: 26px; }
    .da-page-arrow svg { width: 14px; height: 14px; }
    .da-page-pill-text { padding: 6px 10px; font-size: 11px; }
    .da-size-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .da-size-popup-inner { padding: 24px 20px; }
}