/* ===================================
   MERUFY REGISTRATION CSS
   ユーザー登録関連画面専用スタイルシート
   ================================== */

/* ===========================================
   registration固有変数のみ定義 - main.cssを継承
   ========================================== */
:root {
    /* registration固有のアニメーション設定 */
    --registration-success-glow: 0 8px 32px rgba(40, 167, 69, 0.3);
    --registration-pulse-duration: 2s;
}

/* フォント設定 */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* ===========================================
   登録コンテナの背景スタイル
   ========================================== */
.registration-container {
    min-height: 100vh;
    background: var(--gradient-dark);
    position: relative;
}

/* 登録カード（フォーム部分） */
.registration-card {
    background: white;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* ===========================================
   国番号セレクタスタイル
   ========================================== */

/* 電話入力グループ */
.phone-input-group {
    display: flex;
    align-items: stretch;
    gap: 0;
}

/* 国番号セレクタ */
#country_code {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-color: var(--neutral-100);
    border: 2px solid var(--border-default);
    border-right: none;
    border-radius: 8px 0 0 8px;
    padding: 12px 32px 12px 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    min-width: 90px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%236b8a7f'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z' clip-rule='evenodd'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 16px;
    transition: all 0.2s ease;
}

#country_code:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(30, 57, 50, 0.1);
}

#country_code:hover {
    background-color: var(--neutral-200);
}

/* 電話番号入力 */
.phone-input-group input[type="tel"] {
    flex: 1;
    min-width: 0;
    padding: 10px 12px 10px 16px;
    font-size: 14px;
    color: var(--text-primary);
    background-color: white;
    border: 2px solid var(--border-default);
    border-radius: 0 8px 8px 0;
    border-left: none;
    transition: all 0.2s ease;
}

.phone-input-group input[type="tel"]:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(30, 57, 50, 0.1);
}

/* RTL サポート */
[dir="rtl"] #country_code {
    border-radius: 0 8px 8px 0;
    border-right: 2px solid var(--border-default);
    border-left: none;
    background-position: left 8px center;
    padding: 12px 12px 12px 32px;
}

[dir="rtl"] .phone-input-group input[type="tel"] {
    border-radius: 8px 0 0 8px;
    border-right: none;
    border-left: 2px solid var(--border-default);
    padding: 10px 16px 10px 12px;
}

/* ===========================================
   登録完了画面スタイル
   (registration/registration_complete.html)
   ========================================== */

/* 成功アイコン */
.success-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    animation: successPulse 2s ease-in-out infinite;
    box-shadow: 0 8px 32px rgba(30, 57, 50, 0.3);
}

.success-icon svg {
    width: 40px;
    height: 40px;
    color: white;
    stroke-width: 3;
}

@keyframes successPulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 8px 32px rgba(30, 57, 50, 0.3);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 12px 40px rgba(30, 57, 50, 0.4);
    }
}

/* ボーナスカード */
.bonus-card {
    background: linear-gradient(135deg, #fef3c7 0%, #f59e0b 100%);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin: 1.5rem 0;
    position: relative;
    overflow: hidden;
}

.bonus-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23fbbf24' fill-opacity='0.1'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

.bonus-content {
    position: relative;
    z-index: 1;
}

/* 機能リスト */
.feature-list {
    background: #f8fafc;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.feature-item:last-child {
    margin-bottom: 0;
}

.feature-icon {
    width: 24px;
    height: 24px;
    color: var(--success-color);
    margin-right: 0.75rem;
    flex-shrink: 0;
}

[dir="rtl"] .feature-icon {
    margin-right: 0;
    margin-left: 0.75rem;
}

/* CTAボタン */
.cta-button {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    display: inline-block;
    transition: var(--transition);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
    text-align: center;
    width: 100%;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

/* セカンダリボタン */
.secondary-button {
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-decoration: none;
    display: inline-block;
    transition: var(--transition);
    text-align: center;
    width: 100%;
    margin-top: 0.75rem;
}

.secondary-button:hover {
    background: var(--primary-color);
    color: white;
}

/* 祝福テキスト */
.congratulations-text {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--success-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* ===========================================
   SMS認証画面スタイル
   (registration/sms_verification.html)
   ========================================== */

/* PINインプット */
.pin-input {
    width: 48px;
    height: 56px;
    text-align: center;
    font-size: 24px;
    font-weight: 600;
    border: 2px solid #e5e7eb;
    border-radius: var(--border-radius);
    transition: var(--transition);
    caret-color: transparent;
}

.pin-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.pin-input.filled {
    border-color: var(--success-color);
    background-color: #f0f9f9;
}

.pin-input.error {
    border-color: var(--error-color);
    background-color: #fef2f2;
}

/* 再送信ボタン */
.resend-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* カウントダウン */
.countdown {
    color: var(--warning-color);
    font-weight: 500;
}

/* ローディングスピナー */
.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid #e5e7eb;
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===========================================
   RTL対応
   ========================================== */
[dir="rtl"] .pin-container {
    direction: ltr;
}

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

/* モバイル最適化 */
@media (max-width: 640px) {
    .pin-input {
        width: 44px;
        height: 52px;
        font-size: 20px;
    }

    .success-icon {
        width: 60px;
        height: 60px;
    }

    .success-icon svg {
        width: 30px;
        height: 30px;
    }

    .bonus-card {
        padding: 1rem;
    }

    .feature-list {
        padding: 1rem;
    }

    .cta-button {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
}

/* タブレット最適化 */
@media (min-width: 641px) and (max-width: 1024px) {
    .pin-input {
        width: 52px;
        height: 60px;
        font-size: 26px;
    }
}

/* ===========================================
   印刷用スタイル
   ========================================== */
@media print {
    .success-icon {
        animation: none;
        box-shadow: none;
        background: var(--success-color) !important;
    }

    .bonus-card::before {
        display: none;
    }

    .cta-button,
    .secondary-button {
        box-shadow: none;
        border: 1px solid #333;
    }

    .loading-spinner {
        display: none;
    }
}

/* ===========================================
   ダークモード対応 - 無効化（ライトモードのみ対応）
   ========================================== */
/*
@media (prefers-color-scheme: dark) {
    :root {
        --primary-color: #3b82f6;
        --primary-hover: #2563eb;
        --success-color: #10b981;
        --success-light: #34d399;
        --error-color: #ef4444;
        --warning-color: #f59e0b;
    }

    .feature-list {
        background: #1f2937;
        color: #e5e7eb;
    }

    .pin-input {
        background: #1f2937;
        border-color: #374151;
        color: #e5e7eb;
    }

    .pin-input:focus {
        border-color: var(--primary-color);
        background: #111827;
    }

    .pin-input.filled {
        background: #064e3b;
        border-color: var(--success-color);
    }

    .pin-input.error {
        background: #450a0a;
        border-color: var(--error-color);
    }

    .secondary-button {
        background: #1f2937;
        border-color: var(--primary-color);
        color: var(--primary-color);
    }

    .secondary-button:hover {
        background: var(--primary-color);
        color: white;
    }
}
*/

/* ===========================================
   アクセシビリティ対応
   ========================================== */

/* 高コントラストモード */
@media (prefers-contrast: high) {
    .pin-input {
        border-width: 3px;
    }

    .cta-button,
    .secondary-button {
        border-width: 3px;
    }
}

/* アニメーション無効化 */
@media (prefers-reduced-motion: reduce) {
    .success-icon {
        animation: none;
    }

    .loading-spinner {
        animation: none;
    }

    * {
        transition: none !important;
    }
}

/* フォーカス表示強化 */
.pin-input:focus-visible,
.cta-button:focus-visible,
.secondary-button:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}