/* ナビゲーション */
.nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.nav-link {
    color: #fff;
    text-decoration: none;
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.45);
    background: rgba(0, 0, 0, 0.24);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

.nav-link:hover,
.nav-link.active {
    color: #fff;
    background: rgba(255, 0, 0, 0.42);
    border-color: #fff;
    box-shadow:
        0 0 18px rgba(255, 0, 0, 0.45),
        inset 0 0 12px rgba(255, 255, 255, 0.08);
    text-shadow:
        0 0 8px rgba(255, 0, 0, 0.8),
        1px 1px 2px rgba(0, 0, 0, 0.8);
}

/* チェックインセクション */
.checkin-content {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
}

.checkin-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 10px;
    text-shadow:
        0 0 10px rgba(255, 0, 0, 0.8),
        0 0 20px rgba(255, 0, 0, 0.4),
        2px 2px 4px rgba(0, 0, 0, 0.8);
}

.checkin-subtitle {
    text-align: center;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 40px;
}

/* ログインパネル */
.login-panel {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
}

.login-panel p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.85);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

.btn-discord {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 0, 0, 0.28);
    color: #fff;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: bold;
    padding: 14px 36px;
    border-radius: 50px;
    border: 2px solid rgba(255, 255, 255, 0.65);
    cursor: pointer;
    transition: all 0.3s ease;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.85);
    box-shadow:
        0 0 20px rgba(255, 0, 0, 0.35),
        inset 0 0 18px rgba(255, 255, 255, 0.08);
}

.btn-discord:hover {
    background: rgba(255, 0, 0, 0.52);
    transform: scale(1.05);
    border-color: #fff;
    box-shadow:
        0 0 28px rgba(255, 0, 0, 0.55),
        0 6px 20px rgba(0, 0, 0, 0.38);
}

/* ユーザーパネル */
.user-panel {
    display: none;
}

.user-greeting {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 24px;
    color: rgba(255, 255, 255, 0.85);
}

.user-greeting strong {
    color: #fff;
    text-shadow: 0 0 8px rgba(255, 200, 0, 0.6);
}

/* ポイントカード */
.points-card {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    padding: 28px 24px;
    margin-bottom: 20px;
    text-align: center;
}

.points-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 8px;
    letter-spacing: 0.05em;
}

.points-value {
    font-size: 3rem;
    font-weight: bold;
    color: #fff;
    text-shadow:
        0 0 10px rgba(255, 200, 0, 0.8),
        0 0 20px rgba(255, 200, 0, 0.4),
        2px 2px 4px rgba(0, 0, 0, 0.8);
    line-height: 1;
    margin-bottom: 6px;
}

.points-max {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 16px;
}

/* プログレスバー */
.progress-wrap {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    height: 12px;
    overflow: hidden;
    margin-bottom: 12px;
}

.progress-bar {
    height: 100%;
    border-radius: 50px;
    background: linear-gradient(90deg, #ff4444, #ff8800, #ffdd00);
    transition: width 0.8s ease;
    box-shadow: 0 0 8px rgba(255, 180, 0, 0.6);
}

.progress-text {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 16px;
}

.stats-row {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

.stats-row span strong {
    color: rgba(255, 255, 255, 0.9);
}

/* 連続ログインカード */
.streak-card {
    background: rgba(255, 100, 0, 0.1);
    border: 1px solid rgba(255, 120, 0, 0.3);
    border-radius: 16px;
    padding: 16px 24px;
    margin-bottom: 20px;
    text-align: center;
}

.streak-main {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 6px;
}

.streak-fire {
    font-size: 1.6rem;
}

.streak-days {
    font-size: 2rem;
    font-weight: bold;
    color: #fff;
    text-shadow: 0 0 10px rgba(255, 150, 0, 0.8);
}

.streak-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
}

.streak-next {
    font-size: 0.85rem;
    color: rgba(255, 180, 80, 0.85);
    margin: 0;
}

/* 連続ボーナスバナー */
.bonus-banner {
    display: none;
    background: linear-gradient(135deg, rgba(255, 100, 0, 0.2), rgba(255, 180, 0, 0.2));
    border: 2px solid rgba(255, 140, 0, 0.6);
    border-radius: 16px;
    padding: 20px 24px;
    text-align: center;
    margin-bottom: 20px;
    box-shadow:
        0 0 20px rgba(255, 140, 0, 0.3),
        inset 0 0 30px rgba(255, 140, 0, 0.05);
}

.bonus-banner.show {
    display: block;
    animation: fadeIn 0.6s ease;
}

.bonus-banner-title {
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 6px;
    text-shadow:
        0 0 10px rgba(255, 160, 0, 0.8),
        2px 2px 4px rgba(0, 0, 0, 0.8);
}

.bonus-banner-text {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
}

/* AL獲得バナー */
.al-banner {
    display: none;
    background: linear-gradient(135deg, rgba(255, 180, 0, 0.2), rgba(255, 100, 0, 0.2));
    border: 2px solid rgba(255, 180, 0, 0.6);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    margin-bottom: 20px;
    box-shadow:
        0 0 20px rgba(255, 180, 0, 0.3),
        inset 0 0 30px rgba(255, 180, 0, 0.05);
}

.al-banner.show {
    display: block;
    animation: fadeIn 0.6s ease;
}

.al-banner-title {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 8px;
    text-shadow:
        0 0 10px rgba(255, 200, 0, 0.8),
        2px 2px 4px rgba(0, 0, 0, 0.8);
}

.al-banner-text {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 20px;
    line-height: 1.6;
}

.btn-form {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 0, 0, 0.32);
    color: #fff;
    text-decoration: none;
    font-size: 1rem;
    font-weight: bold;
    padding: 12px 30px;
    border-radius: 50px;
    border: 2px solid rgba(255, 255, 255, 0.65);
    transition: all 0.3s ease;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.85);
    box-shadow:
        0 0 18px rgba(255, 0, 0, 0.35),
        inset 0 0 16px rgba(255, 255, 255, 0.08);
}

.btn-form:hover {
    transform: scale(1.05);
    background: rgba(255, 0, 0, 0.52);
    border-color: #fff;
    box-shadow:
        0 0 28px rgba(255, 0, 0, 0.55),
        0 6px 20px rgba(0, 0, 0, 0.38);
}

/* チェックインボタン */
.checkin-btn-wrap {
    text-align: center;
    margin-bottom: 16px;
}

.btn-checkin {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 0, 0, 0.36);
    color: #fff;
    font-size: 1.2rem;
    font-weight: bold;
    padding: 16px 48px;
    border-radius: 50px;
    border: 2px solid rgba(255, 255, 255, 0.7);
    cursor: pointer;
    transition: all 0.3s ease;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
    box-shadow:
        0 0 22px rgba(255, 0, 0, 0.42),
        inset 0 0 18px rgba(255, 255, 255, 0.08),
        0 4px 15px rgba(0, 0, 0, 0.3);
}

.btn-checkin:hover:not(:disabled) {
    transform: scale(1.05);
    background: rgba(255, 0, 0, 0.58);
    box-shadow:
        0 0 30px rgba(255, 0, 0, 0.6),
        0 6px 20px rgba(0, 0, 0, 0.4);
    border-color: #fff;
}

.btn-checkin:disabled {
    background: rgba(80, 80, 80, 0.42);
    border-color: rgba(255, 255, 255, 0.32);
    cursor: not-allowed;
    box-shadow:
        inset 0 0 12px rgba(255, 255, 255, 0.04),
        0 4px 12px rgba(0, 0, 0, 0.24);
    opacity: 0.7;
}

.checkin-status {
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    min-height: 24px;
}

.checkin-status.success {
    color: #4ade80;
    text-shadow: 0 0 8px rgba(74, 222, 128, 0.5);
}

.checkin-status.already {
    color: rgba(255, 255, 255, 0.5);
}

.checkin-status.error {
    color: #f87171;
}

/* ログアウトリンク */
.logout-link {
    display: block;
    text-align: center;
    width: fit-content;
    margin: 24px auto 0;
    padding: 9px 20px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.86);
    cursor: pointer;
    text-decoration: none;
    background: rgba(0, 0, 0, 0.22);
    border: 1px solid rgba(255, 255, 255, 0.34);
    border-radius: 50px;
    transition: all 0.3s ease;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

.logout-link:hover {
    color: #fff;
    background: rgba(255, 0, 0, 0.28);
    border-color: rgba(255, 255, 255, 0.65);
    box-shadow: 0 0 16px rgba(255, 0, 0, 0.32);
}

/* ローディング */
.loading {
    text-align: center;
    padding: 60px 20px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 1rem;
}

/* アニメーション */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* レスポンシブ */
@media (max-width: 480px) {
    .checkin-title {
        font-size: 1.5rem;
    }

    .points-value {
        font-size: 2.2rem;
    }

    .btn-checkin {
        font-size: 1rem;
        padding: 14px 32px;
    }

    .login-panel {
        padding: 28px 16px;
    }
}