/* ============================================================
   AI-OCRシステム 共通スタイル
   ============================================================ */

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

:root {
    --color-primary:     #2563eb;
    --color-primary-dk:  #1d4ed8;
    --color-danger:      #dc2626;
    --color-success:     #16a34a;
    --color-warning:     #d97706;
    --color-bg:          #f1f5f9;
    --color-surface:     #ffffff;
    --color-border:      #e2e8f0;
    --color-text:        #1e293b;
    --color-text-muted:  #64748b;
    --radius:            8px;
    --shadow:            0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md:         0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
}

body {
    font-family: 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

/* ============================================================
   共通コンポーネント
   ============================================================ */

.container {
    max-width: 480px;
    margin: 0 auto;
    padding: 0 16px;
}

.container--wide {
    max-width: 960px;
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 32px;
}

/* ============================================================
   認証画面（ログイン / OTP / 招待）
   ============================================================ */

.auth-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px 16px;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 40px 36px;
}

.auth-logo {
    text-align: center;
    margin-bottom: 28px;
}

.auth-logo h1 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.3;
}

.auth-logo p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}

/* フォーム */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
    transition: border-color .15s, box-shadow .15s;
    outline: none;
}

.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}

/* OTP入力 */
.otp-input {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.5em;
    text-align: center;
    padding: 12px;
}

/* ボタン */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    text-decoration: none;
    transition: background .15s, opacity .15s;
}

.btn--primary {
    background: var(--color-primary);
    color: #fff;
    width: 100%;
    padding: 12px;
}

.btn--primary:hover {
    background: var(--color-primary-dk);
}

.btn--secondary {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    font-size: 0.875rem;
}

.btn--secondary:hover {
    background: rgba(37,99,235,.06);
}

.btn--danger {
    background: var(--color-danger);
    color: #fff;
}

.btn--danger:hover {
    opacity: .88;
}

.btn:disabled {
    opacity: .5;
    cursor: not-allowed;
}

/* アラート */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 0.875rem;
    margin-bottom: 20px;
    border-left: 4px solid;
}

.alert--error {
    background: #fef2f2;
    color: var(--color-danger);
    border-color: var(--color-danger);
}

.alert--success {
    background: #f0fdf4;
    color: var(--color-success);
    border-color: var(--color-success);
}

.alert--info {
    background: #eff6ff;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

/* ヘルパーテキスト */
.form-hint {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 6px;
}

/* パスワード強度インジケーター */
.password-strength {
    height: 4px;
    border-radius: 2px;
    background: var(--color-border);
    margin-top: 8px;
    overflow: hidden;
}

.password-strength__bar {
    height: 100%;
    border-radius: 2px;
    transition: width .3s, background .3s;
    width: 0;
}

/* リンク */
.text-link {
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.875rem;
}

.text-link:hover {
    text-decoration: underline;
}

.auth-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ============================================================
   ナビゲーション（dashboard / admin 共通）
   ============================================================ */

.navbar {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.navbar__brand {
    font-weight: 700;
    color: var(--color-primary);
    font-size: 1rem;
    text-decoration: none;
}

.navbar__actions {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* ============================================================
   ダッシュボード レイアウト
   ============================================================ */

.main-content {
    max-width: 860px;
    margin: 32px auto;
    padding: 0 16px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.section-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-text);
}

.section-title--sm {
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.section-desc {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 16px;
    margin-top: -8px;
}

/* ============================================================
   ドラッグ＆ドロップゾーン
   ============================================================ */

.drop-zone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
    padding: 40px 24px;
    text-align: center;
    cursor: pointer;
    transition: border-color .15s, background .15s;
    background: var(--color-bg);
    user-select: none;
}

.drop-zone:hover,
.drop-zone:focus {
    border-color: var(--color-primary);
    background: #eff6ff;
    outline: none;
}

.drop-zone--active {
    border-color: var(--color-primary);
    background: #dbeafe;
}

.drop-zone__icon {
    font-size: 2.5rem;
    margin-bottom: 8px;
}

.drop-zone__text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
}

.drop-zone__sub {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}

/* ============================================================
   ファイル情報
   ============================================================ */

.file-info-wrap {
    margin-top: 12px;
    min-height: 0;
}

.file-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.file-info__icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.file-info__name {
    font-weight: 600;
    font-size: 0.9rem;
    word-break: break-all;
}

.file-info__meta {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    margin-top: 2px;
}

/* ============================================================
   オプション行
   ============================================================ */

.options-row {
    display: flex;
    gap: 16px;
    margin: 16px 0;
    flex-wrap: wrap;
}

.option-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
    min-width: 160px;
}

.option-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-muted);
}

.form-control--sm {
    padding: 7px 10px;
    font-size: 0.875rem;
}

/* ============================================================
   ローディング
   ============================================================ */

.loading-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 40px;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin .8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================================
   結果セクション
   ============================================================ */

.result-meta {
    text-align: right;
    margin-bottom: 4px;
}

.result-meta__text {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    background: var(--color-bg);
    padding: 4px 10px;
    border-radius: 99px;
    border: 1px solid var(--color-border);
}

/* サマリーカード */
.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
}

.summary-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 12px 14px;
}

.summary-card__label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.summary-card__value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text);
    word-break: break-all;
}

/* 結果テーブル */
.result-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.result-table th,
.result-table td {
    padding: 9px 12px;
    border-bottom: 1px solid var(--color-border);
    text-align: left;
}

.result-table th {
    font-weight: 600;
    background: var(--color-bg);
    white-space: nowrap;
}

.result-table tr:last-child td {
    border-bottom: none;
}

.text-right { text-align: right !important; }

.text-muted {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* TSV / Markdown タブ */
.tab-bar {
    display: flex;
    align-items: center;
    gap: 4px;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 0;
    margin-bottom: 0;
    flex-wrap: wrap;
}

.tab {
    background: none;
    border: none;
    padding: 10px 16px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: color .15s, border-color .15s;
}

.tab:hover {
    color: var(--color-primary);
}

.tab--active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.copy-btn {
    margin-left: auto;
    padding: 6px 14px;
    font-size: 0.8rem;
}

.code-block {
    background: #f8fafc;
    border-top: 1px solid var(--color-border);
    border-radius: 0 0 var(--radius) var(--radius);
    padding: 16px;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 0.8rem;
    line-height: 1.6;
    overflow-x: auto;
    white-space: pre;
    max-height: 360px;
    overflow-y: auto;
    margin: 0;
}

/* ============================================================
   最近の解析セクション
   ============================================================ */

.recent-section__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.data-table th,
.data-table td {
    padding: 8px 12px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.data-table th {
    background: #f5f5f5;
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr:hover {
    background: #fafafa;
}

/* ============================================================
   ユーティリティ
   ============================================================ */

.hidden { display: none !important; }

/* ============================================================
   レスポンシブ
   ============================================================ */

@media (max-width: 480px) {
    .auth-card {
        padding: 28px 20px;
    }

    .options-row {
        flex-direction: column;
    }

    .summary-cards {
        grid-template-columns: 1fr 1fr;
    }

    .tab-bar {
        gap: 0;
    }

    .copy-btn {
        width: 100%;
        margin: 8px 0 0;
    }
}

@media (max-width: 360px) {
    .summary-cards {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   画像ビューワー / バウンディングボックスオーバーレイ
   ============================================================ */

.img-viewer-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.75);
    z-index: 300;
    align-items: center;
    justify-content: center;
    padding: 12px;
}
.img-viewer-overlay.open { display: flex; }

.img-viewer {
    background: var(--color-surface);
    border-radius: var(--radius);
    width: 95vw;
    height: 94vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 24px 80px rgba(0,0,0,.4);
    overflow: hidden;
}

.img-viewer__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
    gap: 10px;
    flex-wrap: wrap;
}

.img-viewer__title { font-size: .9rem; font-weight: 700; }

.img-viewer__body {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.img-viewer__canvas {
    flex: 1;
    overflow: auto;
    background: #404040;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 16px;
}

.bbox-wrap {
    position: relative;
    display: inline-block;
    line-height: 0;
    box-shadow: 0 4px 20px rgba(0,0,0,.4);
}
.bbox-wrap img { display: block; max-width: 100%; height: auto; }
.bbox-wrap svg {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    overflow: visible;
    pointer-events: none;
}
.bbox-wrap svg rect {
    pointer-events: all;
    cursor: pointer;
}
.bbox-wrap svg rect:hover { opacity: .85; }

.img-viewer__sidebar {
    width: 260px;
    overflow-y: auto;
    border-left: 1px solid var(--color-border);
    padding: 12px;
    flex-shrink: 0;
    font-size: .8rem;
}

.bbox-item {
    padding: 6px 8px;
    border-radius: 4px;
    margin-bottom: 4px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: border-color .15s;
}
.bbox-item:hover    { border-color: currentColor; }
.bbox-item.active   { outline: 2px solid currentColor; }
.bbox-item__label   { font-weight: 700; font-size: .72rem; margin-bottom: 2px; }
.bbox-item__text    { color: var(--color-text-muted); word-break: break-all; }

.pdf-viewer { width: 100%; height: 100%; border: none; background: #404040; }

@media (max-width: 640px) {
    .img-viewer__sidebar { display: none; }
}

/* ============================================================
   汎用モーダル閉じるボタン
   ============================================================ */

.modal-close {
    background: none;
    border: none;
    font-size: 1.4rem;
    cursor: pointer;
    color: var(--color-text-muted);
    line-height: 1;
    padding: 0;
}
.modal-close:hover { color: var(--color-text); }