/* グローバル設定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --excel-dark-bg: #3a3a3a;
    --excel-light-bg: #505050;
    --excel-border: #606060;
    --excel-text: #ffffff;
    --excel-yellow: #ffd700;
    --excel-blue: #5dade2;
    --excel-red: #ff6b6b;
    --input-bg: #2a2a2a;
}

body {
    font-family: 'Hiragino Maru Gothic ProN', 'Rounded Mplus 1c', 'Kosugi Maru', 
                 'Yu Gothic UI', sans-serif;
    background: #2a2a2a;
    min-height: 100vh;
    color: var(--excel-text);
    padding: 0;
    line-height: 1.4;
    overflow-x: hidden;
}

.container {
    max-width: 100%;
    min-height: 100vh;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
}

/* ヘッダー */
header {
    text-align: center;
    background: var(--excel-dark-bg);
    padding: 10px 12px;
    border-bottom: 1px solid var(--excel-border);
}

header h1 {
    font-size: clamp(1.275rem, 5.25vw, 2.1rem);
    font-weight: bold;
    color: var(--excel-text);
    margin: 0;
    letter-spacing: 0.3px;
    line-height: 1.3;
    word-break: keep-all;
    overflow-wrap: break-word;
}

/* v1.3 メインレイアウト */
main.v13-layout {
    flex: 1;
    background: var(--excel-dark-bg);
    padding: clamp(12px, 3vw, 16px);
    display: flex;
    flex-direction: column;
    gap: clamp(10px, 2.5vw, 12px);
    overflow-y: auto;
}

/* エラーメッセージ */
.error-message {
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.2), rgba(255, 107, 107, 0.1));
    border: 2px solid var(--excel-red);
    border-radius: 6px;
    padding: clamp(12px, 3vw, 16px);
    display: flex;
    align-items: center;
    gap: clamp(8px, 2vw, 12px);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.error-icon {
    font-size: clamp(1.5rem, 4vw, 2rem);
    flex-shrink: 0;
}

.error-text {
    font-size: clamp(1rem, 2.5vw, 1.3rem);
    color: var(--excel-text);
    font-weight: bold;
    flex: 1;
}

/* 推定距離（メイン表示） */
.main-distance {
    background: var(--excel-light-bg);
    border: 1px solid var(--excel-border);
    border-radius: 4px;
    padding: clamp(10px, 2.5vw, 16px);
    display: grid;
    grid-template-columns: auto 1fr;
    gap: clamp(8px, 2vw, 12px);
    align-items: center;
}

.main-distance label {
    font-size: clamp(1.35rem, 4.2vw, 1.8rem);
    color: var(--excel-text);
    white-space: nowrap;
}

.distance-value {
    font-size: clamp(2.7rem, 8.25vw, 4.5rem);
    font-weight: bold;
    color: var(--excel-yellow);
    display: flex;
    align-items: baseline;
    gap: clamp(4.5px, 1.5vw, 9px);
    justify-content: flex-end;
}

.distance-value .unit {
    font-size: clamp(1.5rem, 4.5vw, 2.7rem);
    color: var(--excel-text);
    opacity: 0.8;
}

/* MAX/MIN範囲 */
.range-limits {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(8px, 2vw, 10px);
}

.limit-box {
    background: var(--excel-light-bg);
    border: 1px solid var(--excel-border);
    border-radius: 4px;
    padding: clamp(8px, 2vw, 12px);
    display: flex;
    flex-direction: column;
    gap: clamp(2px, 0.5vw, 4px);
}

.limit-label {
    font-size: clamp(1.125rem, 2.7vw, 1.35rem);
    color: var(--excel-text);
}

.limit-value {
    font-size: clamp(1.5rem, 4.8vw, 2.25rem);
    font-weight: bold;
    word-break: keep-all;
}

.max-box .limit-value {
    color: var(--excel-red);
}

.min-box .limit-value {
    color: var(--excel-blue);
}

/* 信頼度・限界精度 */
.metrics-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(8px, 2vw, 10px);
}

.metric-box {
    background: var(--excel-light-bg);
    border: 1px solid var(--excel-border);
    border-radius: 4px;
    padding: clamp(8px, 2vw, 12px);
    display: flex;
    flex-direction: column;
    gap: clamp(2px, 0.5vw, 4px);
}

.metric-label {
    font-size: clamp(1.125rem, 2.7vw, 1.35rem);
    color: var(--excel-text);
}

.metric-value {
    font-size: clamp(1.5rem, 4.8vw, 2.25rem);
    font-weight: bold;
    color: var(--excel-yellow);
    word-break: keep-all;
}

.metric-value span {
    font-family: inherit;
    font-weight: inherit;
}

#viewAngle {
    font-family: 'Hiragino Maru Gothic ProN', 'Rounded Mplus 1c', 'Kosugi Maru', 
                 'Yu Gothic UI', sans-serif;
    font-weight: bold;
}

/* 視角度・補正数 */
.output-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(8px, 2vw, 10px);
}

.output-box {
    background: var(--excel-light-bg);
    border: 1px solid var(--excel-border);
    border-radius: 4px;
    padding: clamp(8px, 2vw, 12px);
    display: flex;
    flex-direction: column;
    gap: clamp(2px, 0.5vw, 4px);
}

.output-label {
    font-size: clamp(1.125rem, 2.7vw, 1.35rem);
    color: var(--excel-text);
}

.output-value {
    font-size: clamp(1.275rem, 3.45vw, 1.65rem);
    color: var(--excel-text);
    word-break: keep-all;
}

/* 入力ボックス */
.input-box {
    background: var(--excel-light-bg);
    border: 1px solid var(--excel-border);
    border-radius: 4px;
    padding: clamp(10px, 2.6vw, 16px);
    display: grid;
    grid-template-columns: minmax(286px, auto) 1fr;
    gap: clamp(16px, 4vw, 24px);
    align-items: center;
}

.input-header {
    display: flex;
    align-items: center;
    gap: clamp(8px, 2vw, 12px);
}

.input-box label {
    font-size: clamp(1.4625rem, 3.51vw, 1.8525rem);
    color: var(--excel-text);
    white-space: nowrap;
}

.reset-button {
    background: transparent;
    border: 1px solid var(--excel-border);
    color: var(--excel-text);
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    width: clamp(28px, 7vw, 36px);
    height: clamp(28px, 7vw, 36px);
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    padding: 0;
    line-height: 1;
}

.reset-button:hover {
    background: var(--excel-red);
    border-color: var(--excel-red);
    color: white;
}

.reset-button:active {
    transform: scale(0.95);
}

.input-box input {
    padding: clamp(12px, 3vw, 16px);
    font-size: clamp(1.6575rem, 4.485vw, 1.95rem);
    background: var(--input-bg);
    color: var(--excel-text);
    border: 1px solid var(--excel-border);
    border-radius: 3px;
    text-align: right;
    min-width: 0;
    width: 100%;
}

.input-box input:focus {
    outline: 2px solid var(--excel-yellow);
    outline-offset: 0;
}

.input-box input::placeholder {
    color: #666;
    font-weight: normal;
}

/* 詳細設定 */
.detailed-settings {
    background: var(--excel-light-bg);
    border: 1px solid var(--excel-border);
    border-radius: 4px;
    overflow: hidden;
}

.settings-header {
    padding: clamp(8px, 2vw, 12px);
    display: flex;
    align-items: center;
    gap: clamp(6px, 1.5vw, 8px);
    cursor: pointer;
    user-select: none;
    transition: background 0.2s;
}

.settings-header:hover {
    background: rgba(255, 255, 255, 0.05);
}

.toggle-icon {
    font-size: clamp(1.125rem, 2.7vw, 1.35rem);
    color: var(--excel-text);
    transition: transform 0.2s;
}

.settings-title {
    font-size: clamp(1.275rem, 3.45vw, 1.5rem);
    color: var(--excel-text);
}

.settings-content {
    border-top: 1px solid var(--excel-border);
    padding: clamp(8px, 2vw, 10px);
    display: flex;
    flex-direction: column;
    gap: clamp(12px, 3vw, 16px);
}

/* セクション共通 */
.calibration-section,
.parameters-section {
    display: flex;
    flex-direction: column;
    gap: clamp(8px, 2vw, 10px);
}

.parameters-section {
    padding-top: clamp(8px, 2vw, 10px);
    border-top: 1px solid var(--excel-border);
}

.section-title {
    font-size: clamp(1.275rem, 3.3vw, 1.5rem);
    font-weight: bold;
    color: var(--excel-text);
    margin-bottom: clamp(6px, 1.5vw, 9px);
}

.setting-item {
    display: grid;
    grid-template-columns: minmax(286px, auto) 1fr;
    gap: clamp(16px, 4vw, 24px);
    align-items: center;
}

.setting-item label {
    font-size: clamp(1.4625rem, 3.51vw, 1.8525rem);
    color: var(--excel-text);
    white-space: nowrap;
}

.setting-item input,
.setting-item select {
    padding: clamp(12px, 3vw, 16px);
    font-size: clamp(1.6575rem, 4.485vw, 1.95rem);
    background: var(--input-bg);
    color: var(--excel-text);
    border: 1px solid var(--excel-border);
    border-radius: 3px;
    text-align: right;
    min-width: 0;
    width: 100%;
}

.setting-item select {
    cursor: pointer;
}

.setting-item input:focus,
.setting-item select:focus {
    outline: 2px solid var(--excel-yellow);
    outline-offset: 0;
}

.setting-item input::placeholder {
    color: #666;
    font-weight: normal;
}

/* キャリブレーションボタン */
.calibration-button {
    width: 100%;
    padding: clamp(15px, 3.75vw, 18px);
    font-size: clamp(1.35rem, 3.75vw, 1.575rem);
    font-weight: bold;
    background: linear-gradient(135deg, var(--excel-yellow), #ffa500);
    color: var(--excel-dark-bg);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    margin-top: clamp(9px, 2.25vw, 12px);
}

.calibration-button:hover {
    background: linear-gradient(135deg, #ffed4e, var(--excel-yellow));
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.calibration-button:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.calibration-button:disabled {
    background: #666;
    color: #999;
    cursor: not-allowed;
    transform: none;
}

.calibration-button.secondary {
    background: linear-gradient(135deg, #888, #666);
    color: white;
}

.calibration-button.secondary:hover {
    background: linear-gradient(135deg, #999, #777);
}

/* 視角度リスト */
.angle-list-toggle {
    display: flex;
    align-items: center;
    gap: clamp(6px, 1.5vw, 8px);
    padding: clamp(8px, 2vw, 10px);
    margin-top: clamp(8px, 2vw, 12px);
    cursor: pointer;
    user-select: none;
    border-radius: 4px;
    transition: background 0.2s;
    font-size: clamp(1.4625rem, 3.51vw, 1.8525rem);
    color: var(--excel-text);
}

.angle-list-toggle:hover {
    background: rgba(255, 255, 255, 0.05);
}

.toggle-icon-small {
    font-size: clamp(1.365rem, 2.925vw, 1.56rem);
    color: var(--excel-text);
    transition: transform 0.2s;
}

.angle-list-content {
    display: none;
    flex-direction: column;
    gap: clamp(8px, 2vw, 10px);
    padding: clamp(8px, 2vw, 10px);
    margin-top: clamp(4px, 1vw, 6px);
}

.angle-item {
    background: var(--input-bg);
    border: 1px solid var(--excel-border);
    border-radius: 4px;
    padding: clamp(8px, 2vw, 10px);
    display: flex;
    flex-direction: column;
    gap: clamp(6px, 1.5vw, 8px);
}

.angle-item-info {
    display: flex;
    flex-direction: column;
    gap: clamp(2px, 0.5vw, 4px);
}

.angle-item-value {
    font-size: clamp(1.425rem, 3.75vw, 1.65rem);
    font-weight: bold;
    color: var(--excel-yellow);
}

.angle-item-distance {
    font-size: clamp(1.125rem, 2.7vw, 1.275rem);
    color: var(--excel-text);
    opacity: 0.7;
}

.angle-item-actions {
    display: flex;
    gap: clamp(6px, 1.5vw, 8px);
}

.angle-item-button {
    flex: 1;
    padding: clamp(9px, 2.25vw, 12px);
    font-size: clamp(1.125rem, 2.7vw, 1.275rem);
    font-weight: bold;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.angle-item-button.use {
    background: var(--excel-blue);
    color: white;
}

.angle-item-button.use:hover {
    background: #4fc3f7;
}

.angle-item-button.delete {
    background: var(--excel-red);
    color: white;
}

.angle-item-button.delete:hover {
    background: #ff8a80;
}

.angle-item-button:active {
    transform: scale(0.95);
}

.angle-list-empty {
    text-align: center;
    padding: clamp(18px, 4.5vw, 24px);
    color: var(--excel-text);
    opacity: 0.5;
    font-size: clamp(1.2rem, 3vw, 1.35rem);
}

/* オフラインインジケーター */
.offline-indicator {
    position: fixed;
    top: 10px;
    right: 10px;
    background: #f39c12;
    color: white;
    padding: 9px 18px;
    border-radius: 12px;
    font-size: 1.2rem;
    font-weight: bold;
    display: none;
    z-index: 1000;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}


/* レスポンシブデザイン */
@media (max-width: 480px) {
    /* スマートフォン向け最適化 */
    main.v13-layout {
        padding: clamp(8px, 2vw, 12px);
        gap: clamp(8px, 2vw, 10px);
    }

    .main-distance {
        padding: clamp(8px, 2vw, 12px);
    }

    .distance-value {
        font-size: clamp(2.4rem, 7.5vw, 3rem);
    }

    .distance-value .unit {
        font-size: clamp(1.35rem, 4.2vw, 1.8rem);
    }

    /* 入力欄を縦並びにして広く使う */
    .input-box {
        grid-template-columns: 1fr;
        gap: clamp(6px, 1.5vw, 8px);
    }

    .input-header {
        justify-content: space-between;
    }

    .input-box label {
        font-size: clamp(1.2rem, 3vw, 1.5rem);
    }

    .input-box input {
        width: 100%;
        font-size: clamp(1.4rem, 3.5vw, 1.8rem);
    }

    .reset-button {
        flex-shrink: 0;
    }

    .setting-item {
        grid-template-columns: 1fr;
        gap: clamp(6px, 1.5vw, 8px);
    }

    .setting-item label {
        font-size: clamp(1.2rem, 3vw, 1.5rem);
    }

    .setting-item input,
    .setting-item select {
        width: 100%;
        font-size: clamp(1.4rem, 3.5vw, 1.8rem);
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 800px;
        margin: 0 auto;
        box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    }
    
    main.v13-layout {
        padding: 20px;
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: 900px;
    }
    
    main.v13-layout {
        padding: 24px;
    }
}

/* 入力フィールドの数値型スピナーを調整 */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    opacity: 0.3;
}

input[type="number"]:hover::-webkit-inner-spin-button,
input[type="number"]:hover::-webkit-outer-spin-button {
    opacity: 1;
}

/* プリント対応 */
@media print {
    body {
        background: white;
        padding: 0;
    }

    .offline-indicator {
        display: none !important;
    }
    
    main.excel-layout {
        background: white;
        color: black;
    }
}