/* リセット & 基本スタイル */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-color: #fff;
    --text-color: #202124;
    --border-color: #dadce0;
    --input-bg: #fff;
    --box-bg: #fff;
    --secondary-text: #5f6368;
    --info-bg: #f8f9fa;
    --primary-color: #1a73e8;
    --primary-hover: #1765cc;
    --danger-color: #d32f2f;
    --danger-bg: #ffebee;
    --success-color: #28a745;
    --success-bg: #d4edda;
    --warning-color: #ff9800;
    --warning-bg: #fff3e0;
}

[data-theme="dark"] {
    --bg-color: #1a1a1a;
    --text-color: #e0e0e0;
    --border-color: #3a3a3a;
    --input-bg: #2a2a2a;
    --box-bg: #242424;
    --secondary-text: #b0b0b0;
    --info-bg: #2a2a2a;
    --primary-color: #4a8fff;
    --primary-hover: #3a7fee;
    --danger-color: #ff5252;
    --danger-bg: #3a1f1f;
    --success-color: #4caf50;
    --success-bg: #1f3a1f;
    --warning-color: #ffa726;
    --warning-bg: #3a2f1f;
}

body {
    font-family: 'Noto Sans JP', 'Noto Sans', 'Segoe UI', 'Roboto', 'Arial', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.hidden {
    display: none !important;
}

/* ダークモード切り替えボタン */
.theme-toggle {
    background: var(--bg-color);
    border: none;
    color: var(--text-color);
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    transform: scale(1.5);
}

.theme-toggle i {
    font-size: 24px;
}

/* 警告バナー */
.warning-banner {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    color: white;
    padding: 15px 20px;
    text-align: center;
    position: fixed;
    top: -100px;
    left: 0;
    right: 0;
    z-index: 999;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: top 0.5s ease;
}

.warning-banner.show {
    top: 0;
}

.warning-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    position: relative;
}

.warning-icon {
    font-size: 28px;
    animation: pulse 2s infinite;
}

.warning-icon i {
    font-size: 28px;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

.close-warning {
    position: absolute;
    right: 0;
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 0 10px;
    line-height: 1;
    opacity: 0.8;
    transition: opacity 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-warning:hover {
    opacity: 1;
    transform: scale(1.1);
}

/* コンテナ */
.container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    margin-top: 60px;
}

/* ログインボックス */
.login-box {
    background: var(--box-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 48px 40px 36px;
    width: 100%;
    max-width: 450px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

/* ロゴ */
.logo {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
}

.logo svg {
    width: 75px;
    height: 24px;
}

/* タイトル */
.title {
    font-size: 24px;
    font-weight: 400;
    color: var(--text-color);
    margin-bottom: 8px;
}

.subtitle {
    font-size: 16px;
    color: var(--text-color);
    margin-bottom: 24px;
}

/* フォーム */
form {
    text-align: left;
}

/* アカウント情報表示 */
.account-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 24px;
    background: var(--info-bg);
}

.account-avatar {
    flex-shrink: 0;
}

.display-email {
    font-size: 14px;
    color: var(--text-color);
    word-break: break-all;
}

/* パスワード表示チェックボックス */
.show-password {
    margin-bottom: 24px;
    margin-top: -12px;
}

.show-password label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--secondary-text);
    -webkit-user-select: none;
    user-select: none;
}

.show-password input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
    margin: 0;
}

.input-group {
    margin-bottom: 24px;
}

input[type="email"],
input[type="password"],
input[type="text"] {
    width: 100%;
    padding: 15px 16px;
    font-size: 16px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    outline: none;
    transition: border-color 0.2s, background-color 0.3s;
    background-color: var(--input-bg);
    color: var(--text-color);
}

input[type="email"]:focus,
input[type="password"]:focus,
input[type="text"]:focus {
    border-color: var(--primary-color);
    border-width: 2px;
    padding: 14px 15px;
}

/* リンク */
.forgot-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    display: inline-block;
    margin-bottom: 24px;
}

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

/* 情報テキスト */
.info-text {
    background-color: var(--info-bg);
    border-radius: 4px;
    padding: 16px;
    margin-bottom: 24px;
    font-size: 14px;
    color: var(--secondary-text);
}

.learn-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.learn-more:hover {
    text-decoration: underline;
}

/* ボタン */
.button-group {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 32px;
}

.btn-primary,
.btn-secondary {
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Noto Sans JP', 'Noto Sans', sans-serif;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    flex: 0 0 auto;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--border-color);
    flex: 0 0 auto;
}

.btn-secondary:hover {
    background-color: var(--info-bg);
    border-color: var(--border-color);
}

/* フッター */
.footer {
    margin-top: auto;
    padding: 20px;
    text-align: center;
}

.language-select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    color: var(--secondary-text);
    background-color: var(--input-bg);
    cursor: pointer;
    margin-bottom: 16px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--secondary-text);
    text-decoration: none;
    font-size: 12px;
}

.footer-links a:hover {
    color: var(--text-color);
}

/* 警告ステップ */
#warning-step {
    width: 100%;
    max-width: 800px;
    animation: fadeInUp 0.5s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.warning-header-large {
    text-align: center;
    margin-bottom: 40px;
}

.warning-icon-animated {
    font-size: 80px;
    color: var(--danger-color);
    animation: shake 0.8s infinite;
    margin-bottom: 20px;
}

@keyframes shake {
    0%, 100% { transform: translateX(0) rotate(0deg); }
    25% { transform: translateX(-5px) rotate(-3deg); }
    50% { transform: translateX(5px) rotate(3deg); }
    75% { transform: translateX(-5px) rotate(-3deg); }
}

.warning-title {
    font-size: 32px;
    color: var(--danger-color);
    margin-bottom: 15px;
    font-weight: 700;
}

.warning-subtitle {
    font-size: 16px;
    color: var(--secondary-text);
}

/* 盗まれた情報ボックス */
.stolen-info-box {
    background: var(--danger-bg);
    border: 3px solid var(--danger-color);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 4px 12px rgba(211, 47, 47, 0.2);
}

.stolen-info-box h3 {
    color: var(--danger-color);
    font-size: 22px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.stolen-info-box h3 i {
    font-size: 24px;
}

.stolen-data {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.data-row {
    display: flex;
    gap: 15px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 8px;
    flex-wrap: wrap;
    align-items: center;
}

[data-theme="dark"] .data-row {
    background: rgba(0, 0, 0, 0.3);
}

.data-label {
    font-weight: 600;
    color: var(--danger-color);
    min-width: 150px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.data-label i {
    font-size: 18px;
}

.data-value {
    color: var(--text-color);
    font-weight: 500;
    word-break: break-all;
    flex: 1;
    font-family: 'Courier New', monospace;
}

/* ヒントコンテナ */
.tips-container,
.protection-container {
    background: var(--box-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
}

.tips-container h3,
.protection-container h3 {
    color: var(--text-color);
    font-size: 22px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.tips-container h3 i,
.protection-container h3 i {
    font-size: 24px;
    color: var(--primary-color);
}

.tips-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.tip-item {
    display: flex;
    gap: 15px;
    padding: 15px;
    background: var(--info-bg);
    border-radius: 8px;
    transition: transform 0.2s;
}

.tip-item:hover {
    transform: translateY(-3px);
}

.tip-icon {
    font-size: 32px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.tip-item strong {
    display: block;
    color: var(--text-color);
    margin-bottom: 5px;
    font-size: 16px;
}

.tip-item p {
    color: var(--secondary-text);
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
}

.protection-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.protection-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: var(--info-bg);
    border-radius: 8px;
    transition: transform 0.2s;
}

.protection-item:hover {
    transform: translateX(10px);
}

.protection-item i {
    font-size: 24px;
    color: var(--success-color);
    flex-shrink: 0;
}

.protection-item span {
    color: var(--text-color);
    font-size: 16px;
}

/* 本物のGoogleリンク */
.real-google-link {
    background: var(--success-bg);
    border: 3px solid var(--success-color);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    margin-bottom: 30px;
}

.real-google-link p {
    color: var(--success-color);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.real-google-link p i {
    font-size: 24px;
}

.real-google-link a {
    display: inline-block;
    color: var(--success-color);
    font-size: 20px;
    font-weight: 700;
    text-decoration: none;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 8px;
    transition: transform 0.2s;
    word-break: break-all;
}

[data-theme="dark"] .real-google-link a {
    background: rgba(0, 0, 0, 0.3);
}

.real-google-link a:hover {
    transform: scale(1.05);
    text-decoration: underline;
}

/* レスポンシブ */
@media (max-width: 768px) {
    .warning-content {
        flex-direction: column;
        gap: 10px;
    }

    .login-box,
    #warning-step {
        padding: 32px 24px;
        border: none;
        box-shadow: none;
    }

    .button-group {
        flex-direction: column-reverse;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
    }

    .warning-icon-animated {
        font-size: 60px;
    }

    .warning-title {
        font-size: 24px;
    }

    .tips-list {
        grid-template-columns: 1fr;
    }

    .data-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .data-label {
        min-width: auto;
    }

    .stolen-info-box,
    .tips-container,
    .protection-container,
    .real-google-link {
        padding: 20px;
    }

    .theme-toggle {
        width: 45px;
        height: 45px;
        bottom: 15px;
        left: 15px;
    }

    .theme-toggle i {
        font-size: 20px;
    }
}

/* アクセシビリティ */
:focus-visible {
    outline: 2px solid #1a73e8;
    outline-offset: 2px;
}

/* スクロールバーのスタイル */
.modal-content::-webkit-scrollbar {
    width: 8px;
}

.modal-content::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.modal-content::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

.modal-content::-webkit-scrollbar-thumb:hover {
    background: #555;
}