/**
 * Empty State Styles
 *
 * 빈 화면 상태 표시 스타일
 */

.empty-state {
    padding: 80px 20px 60px;
    text-align: center;
    color: #9ca3af;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.empty-icon {
    font-size: 80px;
    margin-bottom: 24px;
    opacity: 0.6;
    line-height: 1;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.empty-title {
    font-size: 20px;
    font-weight: 700;
    color: #374151;
    margin-bottom: 12px;
    line-height: 1.3;
}

.empty-description {
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 32px;
    color: #6b7280;
    max-width: 400px;
}

.empty-state .btn-primary {
    background: linear-gradient(135deg, #ff6b9d 0%, #ec4899 100%);
    color: white;
    padding: 14px 28px;
    border-radius: 28px;
    border: none;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(255, 107, 157, 0.3);
    transition: all 0.2s ease;
}

.empty-state .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 107, 157, 0.4);
}

.empty-state .btn-primary:active {
    transform: translateY(0);
}

.empty-state .btn-secondary {
    background: white;
    color: #374151;
    padding: 12px 24px;
    border-radius: 24px;
    border: 2px solid #e5e7eb;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-left: 12px;
    transition: all 0.2s ease;
}

.empty-state .btn-secondary:hover {
    border-color: #d1d5db;
    background: #f9fafb;
}

/* 모바일 최적화 */
@media (max-width: 480px) {
    .empty-state {
        padding: 60px 20px 40px;
        min-height: 300px;
    }

    .empty-icon {
        font-size: 64px;
        margin-bottom: 20px;
    }

    .empty-title {
        font-size: 18px;
        margin-bottom: 10px;
    }

    .empty-description {
        font-size: 14px;
        margin-bottom: 24px;
    }

    .empty-state .btn-primary {
        padding: 12px 24px;
        font-size: 14px;
    }

    .empty-state .btn-secondary {
        padding: 10px 20px;
        font-size: 13px;
        margin-left: 8px;
    }
}

/* 다크 모드 지원 */
[data-theme="dark"] .empty-state {
    color: #9ca3af;
}

[data-theme="dark"] .empty-title {
    color: #f3f4f6;
}

[data-theme="dark"] .empty-description {
    color: #d1d5db;
}

[data-theme="dark"] .empty-state .btn-secondary {
    background: #374151;
    color: #f3f4f6;
    border-color: #4b5563;
}

[data-theme="dark"] .empty-state .btn-secondary:hover {
    background: #4b5563;
    border-color: #6b7280;
}

/* 특정 상황별 Empty State */
.empty-state.search-empty .empty-icon {
    font-size: 72px;
}

.empty-state.no-data .empty-icon {
    opacity: 0.4;
}

.empty-state.error-state .empty-icon {
    opacity: 0.5;
    color: #ef4444;
}

.empty-state.error-state .empty-title {
    color: #dc2626;
}