/* Flash メッセージ共通スタイル */

.flash-messages {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    max-width: 400px;
    width: 100%;
}

.flash-message {
    padding: 16px 20px;
    margin-bottom: 10px;
    border-radius: 8px;
    box-shadow: var(--card-shadow-hover);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn 0.3s ease-out;
    position: relative;
}

.flash-message::before {
    content: '';
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* エラーメッセージ */
.flash-message.error {
    background-color: var(--error-50);
    border-left: 4px solid var(--color-error);
    color: var(--error-800);
}

.flash-message.error::before {
    content: '✕';
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-error);
    color: var(--text-on-primary);
    border-radius: 50%;
    font-size: 14px;
    font-weight: bold;
}

/* 成功メッセージ */
.flash-message.success {
    background-color: var(--success-50);
    border-left: 4px solid var(--color-success);
    color: var(--success-800);
}

.flash-message.success::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-success);
    color: var(--text-on-primary);
    border-radius: 50%;
    font-size: 14px;
    font-weight: bold;
}

/* 警告メッセージ */
.flash-message.warning {
    background-color: var(--warning-50);
    border-left: 4px solid var(--color-warning);
    color: var(--warning-800);
}

.flash-message.warning::before {
    content: '!';
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-warning);
    color: var(--text-on-primary);
    border-radius: 50%;
    font-size: 14px;
    font-weight: bold;
}

/* 情報メッセージ */
.flash-message.info {
    background-color: var(--info-50);
    border-left: 4px solid var(--color-info);
    color: var(--info-800);
}

.flash-message.info::before {
    content: 'i';
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-info);
    color: var(--text-on-primary);
    border-radius: 50%;
    font-size: 14px;
    font-weight: bold;
}

.flash-message-text {
    flex: 1;
    font-size: 14px;
    line-height: 1.5;
}

.flash-message-close {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    font-size: 20px;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.6;
    transition: var(--transition-fast);
}

.flash-message-close:hover {
    opacity: 1;
}

/* アニメーション */
@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

.flash-message.fade-out {
    animation: slideOut 0.3s ease-in forwards;
}

/* モバイル対応 */
@media (max-width: 768px) {
    .flash-messages {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }

    .flash-message {
        padding: 12px 16px;
    }

    .flash-message-text {
        font-size: 13px;
    }
}